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Finding the Fourth Proportional to 39,859.68, 59,796.88 and 16,487.94

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Solution

The fourth proportional to 39,859.68, 59,796.88 and 16,487.94 is: 24,734.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,859.68 : 59,796.88 = 16,487.94 : x
  2. Step 2: Convert to fraction form
    39,859.68/59,796.88 = 16,487.94/x
  3. Step 3: Cross multiply
    39,859.68x = 59,796.88 × 16,487.94
  4. Step 4: Simplify right side
    39,859.68x = 985,927,614.48
  5. Step 5: Solve for x
    x = 985,927,614.48/39,859.68
  6. Step 6: Final answer
    x = 24,734.96

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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.