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Finding the Fourth Proportional to 16,611,272.70, 24,916,909.05 and 9,444,911.10

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Solution

The fourth proportional to 16,611,272.70, 24,916,909.05 and 9,444,911.10 is: 14,167,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,611,272.70 : 24,916,909.05 = 9,444,911.10 : x
  2. Step 2: Convert to fraction form
    16,611,272.70/24,916,909.05 = 9,444,911.10/x
  3. Step 3: Cross multiply
    16,611,272.70x = 24,916,909.05 × 9,444,911.10
  4. Step 4: Simplify right side
    16,611,272.70x = 235,337,990,864,035.44
  5. Step 5: Solve for x
    x = 235,337,990,864,035.44/16,611,272.70
  6. Step 6: Final answer
    x = 14,167,366.65

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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.