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Finding the Fourth Proportional to 57,763.66, 86,448.34 and 48,414.24

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Solution

The fourth proportional to 57,763.66, 86,448.34 and 48,414.24 is: 72,456.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,763.66 : 86,448.34 = 48,414.24 : x
  2. Step 2: Convert to fraction form
    57,763.66/86,448.34 = 48,414.24/x
  3. Step 3: Cross multiply
    57,763.66x = 86,448.34 × 48,414.24
  4. Step 4: Simplify right side
    57,763.66x = 4,185,330,680.36
  5. Step 5: Solve for x
    x = 4,185,330,680.36/57,763.66
  6. Step 6: Final answer
    x = 72,456.12

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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.