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Finding the Fourth Proportional to 8,835,337.20, 13,253,005.80 and 4,576,810.80

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Solution

The fourth proportional to 8,835,337.20, 13,253,005.80 and 4,576,810.80 is: 6,865,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835,337.20 : 13,253,005.80 = 4,576,810.80 : x
  2. Step 2: Convert to fraction form
    8,835,337.20/13,253,005.80 = 4,576,810.80/x
  3. Step 3: Cross multiply
    8,835,337.20x = 13,253,005.80 × 4,576,810.80
  4. Step 4: Simplify right side
    8,835,337.20x = 60,656,500,077,902.64
  5. Step 5: Solve for x
    x = 60,656,500,077,902.64/8,835,337.20
  6. Step 6: Final answer
    x = 6,865,216.20

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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.