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Finding the Fourth Proportional to 5,766,279.93, 7,957,148.22 and 3,187,806.93

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Solution

The fourth proportional to 5,766,279.93, 7,957,148.22 and 3,187,806.93 is: 4,398,997.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,766,279.93 : 7,957,148.22 = 3,187,806.93 : x
  2. Step 2: Convert to fraction form
    5,766,279.93/7,957,148.22 = 3,187,806.93/x
  3. Step 3: Cross multiply
    5,766,279.93x = 7,957,148.22 × 3,187,806.93
  4. Step 4: Simplify right side
    5,766,279.93x = 25,365,852,238,753.16
  5. Step 5: Solve for x
    x = 25,365,852,238,753.16/5,766,279.93
  6. Step 6: Final answer
    x = 4,398,997.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.