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Finding the Fourth Proportional to 8,858,608.80, 13,287,913.20 and 5,654,216.40

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Solution

The fourth proportional to 8,858,608.80, 13,287,913.20 and 5,654,216.40 is: 8,481,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858,608.80 : 13,287,913.20 = 5,654,216.40 : x
  2. Step 2: Convert to fraction form
    8,858,608.80/13,287,913.20 = 5,654,216.40/x
  3. Step 3: Cross multiply
    8,858,608.80x = 13,287,913.20 × 5,654,216.40
  4. Step 4: Simplify right side
    8,858,608.80x = 75,132,736,737,216.48
  5. Step 5: Solve for x
    x = 75,132,736,737,216.48/8,858,608.80
  6. Step 6: Final answer
    x = 8,481,324.60

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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.