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Finding the Fourth Proportional to 62,643.92, 93,796.38 and 45,876.92

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Solution

The fourth proportional to 62,643.92, 93,796.38 and 45,876.92 is: 68,691.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,643.92 : 93,796.38 = 45,876.92 : x
  2. Step 2: Convert to fraction form
    62,643.92/93,796.38 = 45,876.92/x
  3. Step 3: Cross multiply
    62,643.92x = 93,796.38 × 45,876.92
  4. Step 4: Simplify right side
    62,643.92x = 4,303,088,552.57
  5. Step 5: Solve for x
    x = 4,303,088,552.57/62,643.92
  6. Step 6: Final answer
    x = 68,691.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.