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Finding the Fourth Proportional to 63,540.68, 87,696.65 and 35,255.48

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Solution

The fourth proportional to 63,540.68, 87,696.65 and 35,255.48 is: 48,658.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,540.68 : 87,696.65 = 35,255.48 : x
  2. Step 2: Convert to fraction form
    63,540.68/87,696.65 = 35,255.48/x
  3. Step 3: Cross multiply
    63,540.68x = 87,696.65 × 35,255.48
  4. Step 4: Simplify right side
    63,540.68x = 3,091,786,875.38
  5. Step 5: Solve for x
    x = 3,091,786,875.38/63,540.68
  6. Step 6: Final answer
    x = 48,658.39

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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.