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Finding the Fourth Proportional to 63,884.64, 95,377.78 and 48,812.88

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Solution

The fourth proportional to 63,884.64, 95,377.78 and 48,812.88 is: 72,876.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,884.64 : 95,377.78 = 48,812.88 : x
  2. Step 2: Convert to fraction form
    63,884.64/95,377.78 = 48,812.88/x
  3. Step 3: Cross multiply
    63,884.64x = 95,377.78 × 48,812.88
  4. Step 4: Simplify right side
    63,884.64x = 4,655,664,129.81
  5. Step 5: Solve for x
    x = 4,655,664,129.81/63,884.64
  6. Step 6: Final answer
    x = 72,876.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.