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Finding the Fourth Proportional to 16,908,564.80, 25,344,184.80 and 9,340,961.60

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Solution

The fourth proportional to 16,908,564.80, 25,344,184.80 and 9,340,961.60 is: 14,001,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,908,564.80 : 25,344,184.80 = 9,340,961.60 : x
  2. Step 2: Convert to fraction form
    16,908,564.80/25,344,184.80 = 9,340,961.60/x
  3. Step 3: Cross multiply
    16,908,564.80x = 25,344,184.80 × 9,340,961.60
  4. Step 4: Simplify right side
    16,908,564.80x = 236,739,057,000,103.69
  5. Step 5: Solve for x
    x = 236,739,057,000,103.69/16,908,564.80
  6. Step 6: Final answer
    x = 14,001,132.55

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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.