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Finding the Fourth Proportional to 39,874.88, 59,802.60 and 16,508

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Solution

The fourth proportional to 39,874.88, 59,802.60 and 16,508 is: 24,757.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,874.88 : 59,802.60 = 16,508 : x
  2. Step 2: Convert to fraction form
    39,874.88/59,802.60 = 16,508/x
  3. Step 3: Cross multiply
    39,874.88x = 59,802.60 × 16,508
  4. Step 4: Simplify right side
    39,874.88x = 987,221,320.80
  5. Step 5: Solve for x
    x = 987,221,320.80/39,874.88
  6. Step 6: Final answer
    x = 24,757.98

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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.