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Finding the Fourth Proportional to 62,762.76, 86,614.38 and 34,470.27

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Solution

The fourth proportional to 62,762.76, 86,614.38 and 34,470.27 is: 47,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,762.76 : 86,614.38 = 34,470.27 : x
  2. Step 2: Convert to fraction form
    62,762.76/86,614.38 = 34,470.27/x
  3. Step 3: Cross multiply
    62,762.76x = 86,614.38 × 34,470.27
  4. Step 4: Simplify right side
    62,762.76x = 2,985,621,064.48
  5. Step 5: Solve for x
    x = 2,985,621,064.48/62,762.76
  6. Step 6: Final answer
    x = 47,569.95

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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.