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Finding the Fourth Proportional to 6,602.98, 9,854.86 and 5,709.56

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Solution

The fourth proportional to 6,602.98, 9,854.86 and 5,709.56 is: 8,521.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.98 : 9,854.86 = 5,709.56 : x
  2. Step 2: Convert to fraction form
    6,602.98/9,854.86 = 5,709.56/x
  3. Step 3: Cross multiply
    6,602.98x = 9,854.86 × 5,709.56
  4. Step 4: Simplify right side
    6,602.98x = 56,266,914.46
  5. Step 5: Solve for x
    x = 56,266,914.46/6,602.98
  6. Step 6: Final answer
    x = 8,521.44

Related Problems

Find fourth proportional to 3,301.49, 4,927.43 and 2,854.78
Half scale
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Double scale
Find fourth proportional to 6,603.98, 9,856.35 and 5,710.56
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.