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Finding the Fourth Proportional to 9,859,607.20, 14,789,410.80 and 3,469,808.80

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Solution

The fourth proportional to 9,859,607.20, 14,789,410.80 and 3,469,808.80 is: 5,204,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,859,607.20 : 14,789,410.80 = 3,469,808.80 : x
  2. Step 2: Convert to fraction form
    9,859,607.20/14,789,410.80 = 3,469,808.80/x
  3. Step 3: Cross multiply
    9,859,607.20x = 14,789,410.80 × 3,469,808.80
  4. Step 4: Simplify right side
    9,859,607.20x = 51,316,427,740,655.04
  5. Step 5: Solve for x
    x = 51,316,427,740,655.04/9,859,607.20
  6. Step 6: Final answer
    x = 5,204,713.20

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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.