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Finding the Fourth Proportional to 6,487.94, 8,950.25 and 6,236.46

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Solution

The fourth proportional to 6,487.94, 8,950.25 and 6,236.46 is: 8,603.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487.94 : 8,950.25 = 6,236.46 : x
  2. Step 2: Convert to fraction form
    6,487.94/8,950.25 = 6,236.46/x
  3. Step 3: Cross multiply
    6,487.94x = 8,950.25 × 6,236.46
  4. Step 4: Simplify right side
    6,487.94x = 55,817,876.12
  5. Step 5: Solve for x
    x = 55,817,876.12/6,487.94
  6. Step 6: Final answer
    x = 8,603.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.