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Finding the Fourth Proportional to 63,996.78, 88,315.29 and 35,702.52

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Solution

The fourth proportional to 63,996.78, 88,315.29 and 35,702.52 is: 49,269.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,996.78 : 88,315.29 = 35,702.52 : x
  2. Step 2: Convert to fraction form
    63,996.78/88,315.29 = 35,702.52/x
  3. Step 3: Cross multiply
    63,996.78x = 88,315.29 × 35,702.52
  4. Step 4: Simplify right side
    63,996.78x = 3,153,078,407.53
  5. Step 5: Solve for x
    x = 3,153,078,407.53/63,996.78
  6. Step 6: Final answer
    x = 49,269.33

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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.