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Finding the Fourth Proportional to 62,566.70, 86,343.15 and 34,270.55

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Solution

The fourth proportional to 62,566.70, 86,343.15 and 34,270.55 is: 47,293.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,566.70 : 86,343.15 = 34,270.55 : x
  2. Step 2: Convert to fraction form
    62,566.70/86,343.15 = 34,270.55/x
  3. Step 3: Cross multiply
    62,566.70x = 86,343.15 × 34,270.55
  4. Step 4: Simplify right side
    62,566.70x = 2,959,027,239.23
  5. Step 5: Solve for x
    x = 2,959,027,239.23/62,566.70
  6. Step 6: Final answer
    x = 47,293.96

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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.