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Finding the Fourth Proportional to 62,710.44, 86,541.10 and 34,415.52

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Solution

The fourth proportional to 62,710.44, 86,541.10 and 34,415.52 is: 47,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,710.44 : 86,541.10 = 34,415.52 : x
  2. Step 2: Convert to fraction form
    62,710.44/86,541.10 = 34,415.52/x
  3. Step 3: Cross multiply
    62,710.44x = 86,541.10 × 34,415.52
  4. Step 4: Simplify right side
    62,710.44x = 2,978,356,957.87
  5. Step 5: Solve for x
    x = 2,978,356,957.87/62,710.44
  6. Step 6: Final answer
    x = 47,493.80

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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.