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Finding the Fourth Proportional to 62,989.68, 86,925.96 and 34,695.44

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Solution

The fourth proportional to 62,989.68, 86,925.96 and 34,695.44 is: 47,879.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,989.68 : 86,925.96 = 34,695.44 : x
  2. Step 2: Convert to fraction form
    62,989.68/86,925.96 = 34,695.44/x
  3. Step 3: Cross multiply
    62,989.68x = 86,925.96 × 34,695.44
  4. Step 4: Simplify right side
    62,989.68x = 3,015,934,429.62
  5. Step 5: Solve for x
    x = 3,015,934,429.62/62,989.68
  6. Step 6: Final answer
    x = 47,879.82

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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.