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Finding the Fourth Proportional to 63,294.42, 87,346.06 and 35,696.88

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Solution

The fourth proportional to 63,294.42, 87,346.06 and 35,696.88 is: 49,261.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,294.42 : 87,346.06 = 35,696.88 : x
  2. Step 2: Convert to fraction form
    63,294.42/87,346.06 = 35,696.88/x
  3. Step 3: Cross multiply
    63,294.42x = 87,346.06 × 35,696.88
  4. Step 4: Simplify right side
    63,294.42x = 3,117,981,822.29
  5. Step 5: Solve for x
    x = 3,117,981,822.29/63,294.42
  6. Step 6: Final answer
    x = 49,261.56

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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.