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Finding the Fourth Proportional to 16,611,292.80, 24,916,939.20 and 16,611,292.80

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Solution

The fourth proportional to 16,611,292.80, 24,916,939.20 and 16,611,292.80 is: 24,916,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,611,292.80 : 24,916,939.20 = 16,611,292.80 : x
  2. Step 2: Convert to fraction form
    16,611,292.80/24,916,939.20 = 16,611,292.80/x
  3. Step 3: Cross multiply
    16,611,292.80x = 24,916,939.20 × 16,611,292.80
  4. Step 4: Simplify right side
    16,611,292.80x = 413,902,572,730,997.75
  5. Step 5: Solve for x
    x = 413,902,572,730,997.75/16,611,292.80
  6. Step 6: Final answer
    x = 24,916,939.20

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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.