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Finding the Fourth Proportional to 48,593.52, 72,861.48 and 16,988.40

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Solution

The fourth proportional to 48,593.52, 72,861.48 and 16,988.40 is: 25,472.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,593.52 : 72,861.48 = 16,988.40 : x
  2. Step 2: Convert to fraction form
    48,593.52/72,861.48 = 16,988.40/x
  3. Step 3: Cross multiply
    48,593.52x = 72,861.48 × 16,988.40
  4. Step 4: Simplify right side
    48,593.52x = 1,237,799,966.83
  5. Step 5: Solve for x
    x = 1,237,799,966.83/48,593.52
  6. Step 6: Final answer
    x = 25,472.53

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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.