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Finding the Fourth Proportional to 63,753.28, 87,986.08 and 35,465.92

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Solution

The fourth proportional to 63,753.28, 87,986.08 and 35,465.92 is: 48,946.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,753.28 : 87,986.08 = 35,465.92 : x
  2. Step 2: Convert to fraction form
    63,753.28/87,986.08 = 35,465.92/x
  3. Step 3: Cross multiply
    63,753.28x = 87,986.08 × 35,465.92
  4. Step 4: Simplify right side
    63,753.28x = 3,120,507,274.39
  5. Step 5: Solve for x
    x = 3,120,507,274.39/63,753.28
  6. Step 6: Final answer
    x = 48,946.62

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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.