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Finding the Fourth Proportional to 16,581,405.60, 24,872,108.40 and 11,763,007.20

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Solution

The fourth proportional to 16,581,405.60, 24,872,108.40 and 11,763,007.20 is: 17,644,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,581,405.60 : 24,872,108.40 = 11,763,007.20 : x
  2. Step 2: Convert to fraction form
    16,581,405.60/24,872,108.40 = 11,763,007.20/x
  3. Step 3: Cross multiply
    16,581,405.60x = 24,872,108.40 × 11,763,007.20
  4. Step 4: Simplify right side
    16,581,405.60x = 292,570,790,188,380.44
  5. Step 5: Solve for x
    x = 292,570,790,188,380.44/16,581,405.60
  6. Step 6: Final answer
    x = 17,644,510.80

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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.