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Finding the Fourth Proportional to 39,873.88, 59,801.10 and 16,507

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Solution

The fourth proportional to 39,873.88, 59,801.10 and 16,507 is: 24,756.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,873.88 : 59,801.10 = 16,507 : x
  2. Step 2: Convert to fraction form
    39,873.88/59,801.10 = 16,507/x
  3. Step 3: Cross multiply
    39,873.88x = 59,801.10 × 16,507
  4. Step 4: Simplify right side
    39,873.88x = 987,136,757.70
  5. Step 5: Solve for x
    x = 987,136,757.70/39,873.88
  6. Step 6: Final answer
    x = 24,756.48

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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.