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Finding the Fourth Proportional to 64,376.28, 88,838.94 and 36,082.08

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Solution

The fourth proportional to 64,376.28, 88,838.94 and 36,082.08 is: 49,793.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,376.28 : 88,838.94 = 36,082.08 : x
  2. Step 2: Convert to fraction form
    64,376.28/88,838.94 = 36,082.08/x
  3. Step 3: Cross multiply
    64,376.28x = 88,838.94 × 36,082.08
  4. Step 4: Simplify right side
    64,376.28x = 3,205,493,740.20
  5. Step 5: Solve for x
    x = 3,205,493,740.20/64,376.28
  6. Step 6: Final answer
    x = 49,793.09

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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.