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Finding the Fourth Proportional to 39,641.68, 59,462.25 and 9,655.55

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Solution

The fourth proportional to 39,641.68, 59,462.25 and 9,655.55 is: 14,483.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,641.68 : 59,462.25 = 9,655.55 : x
  2. Step 2: Convert to fraction form
    39,641.68/59,462.25 = 9,655.55/x
  3. Step 3: Cross multiply
    39,641.68x = 59,462.25 × 9,655.55
  4. Step 4: Simplify right side
    39,641.68x = 574,141,006.24
  5. Step 5: Solve for x
    x = 574,141,006.24/39,641.68
  6. Step 6: Final answer
    x = 14,483.27

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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.