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Finding the Fourth Proportional to 6,472,510.80, 9,708,766.20 and 6,472,510.80

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Solution

The fourth proportional to 6,472,510.80, 9,708,766.20 and 6,472,510.80 is: 9,708,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472,510.80 : 9,708,766.20 = 6,472,510.80 : x
  2. Step 2: Convert to fraction form
    6,472,510.80/9,708,766.20 = 6,472,510.80/x
  3. Step 3: Cross multiply
    6,472,510.80x = 9,708,766.20 × 6,472,510.80
  4. Step 4: Simplify right side
    6,472,510.80x = 62,840,094,084,174.95
  5. Step 5: Solve for x
    x = 62,840,094,084,174.95/6,472,510.80
  6. Step 6: Final answer
    x = 9,708,766.20

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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.