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Finding the Fourth Proportional to 39,649.71, 59,473.42 and 14,689.20

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Solution

The fourth proportional to 39,649.71, 59,473.42 and 14,689.20 is: 22,033.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,649.71 : 59,473.42 = 14,689.20 : x
  2. Step 2: Convert to fraction form
    39,649.71/59,473.42 = 14,689.20/x
  3. Step 3: Cross multiply
    39,649.71x = 59,473.42 × 14,689.20
  4. Step 4: Simplify right side
    39,649.71x = 873,616,924.34
  5. Step 5: Solve for x
    x = 873,616,924.34/39,649.71
  6. Step 6: Final answer
    x = 22,033.37

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