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Finding the Fourth Proportional to 63,769.78, 88,002.30 and 35,475.47

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Solution

The fourth proportional to 63,769.78, 88,002.30 and 35,475.47 is: 48,956.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,769.78 : 88,002.30 = 35,475.47 : x
  2. Step 2: Convert to fraction form
    63,769.78/88,002.30 = 35,475.47/x
  3. Step 3: Cross multiply
    63,769.78x = 88,002.30 × 35,475.47
  4. Step 4: Simplify right side
    63,769.78x = 3,121,922,777.06
  5. Step 5: Solve for x
    x = 3,121,922,777.06/63,769.78
  6. Step 6: Final answer
    x = 48,956.15

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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.