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Finding the Fourth Proportional to 8,393,906.40, 12,581,528.40 and 4,610,104.80

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Solution

The fourth proportional to 8,393,906.40, 12,581,528.40 and 4,610,104.80 is: 6,910,032.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393,906.40 : 12,581,528.40 = 4,610,104.80 : x
  2. Step 2: Convert to fraction form
    8,393,906.40/12,581,528.40 = 4,610,104.80/x
  3. Step 3: Cross multiply
    8,393,906.40x = 12,581,528.40 × 4,610,104.80
  4. Step 4: Simplify right side
    8,393,906.40x = 58,002,164,468,176.32
  5. Step 5: Solve for x
    x = 58,002,164,468,176.32/8,393,906.40
  6. Step 6: Final answer
    x = 6,910,032.31

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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.