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Finding the Fourth Proportional to 39,641.97, 59,462.91 and 9,656.20

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Solution

The fourth proportional to 39,641.97, 59,462.91 and 9,656.20 is: 14,484.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,641.97 : 59,462.91 = 9,656.20 : x
  2. Step 2: Convert to fraction form
    39,641.97/59,462.91 = 9,656.20/x
  3. Step 3: Cross multiply
    39,641.97x = 59,462.91 × 9,656.20
  4. Step 4: Simplify right side
    39,641.97x = 574,185,491.39
  5. Step 5: Solve for x
    x = 574,185,491.39/39,641.97
  6. Step 6: Final answer
    x = 14,484.28

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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.