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Finding the Fourth Proportional to 19,957,432.80, 29,894,158.80 and 16,598,200.80

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Solution

The fourth proportional to 19,957,432.80, 29,894,158.80 and 16,598,200.80 is: 24,862,378.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957,432.80 : 29,894,158.80 = 16,598,200.80 : x
  2. Step 2: Convert to fraction form
    19,957,432.80/29,894,158.80 = 16,598,200.80/x
  3. Step 3: Cross multiply
    19,957,432.80x = 29,894,158.80 × 16,598,200.80
  4. Step 4: Simplify right side
    19,957,432.80x = 496,189,250,509,487.06
  5. Step 5: Solve for x
    x = 496,189,250,509,487.06/19,957,432.80
  6. Step 6: Final answer
    x = 24,862,378.62

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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.