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Finding the Fourth Proportional to 6,618.70, 9,926.29 and 2,235.25

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Solution

The fourth proportional to 6,618.70, 9,926.29 and 2,235.25 is: 3,352.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.70 : 9,926.29 = 2,235.25 : x
  2. Step 2: Convert to fraction form
    6,618.70/9,926.29 = 2,235.25/x
  3. Step 3: Cross multiply
    6,618.70x = 9,926.29 × 2,235.25
  4. Step 4: Simplify right side
    6,618.70x = 22,187,739.72
  5. Step 5: Solve for x
    x = 22,187,739.72/6,618.70
  6. Step 6: Final answer
    x = 3,352.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.