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Finding the Fourth Proportional to 63,702.14, 87,911.88 and 35,406.14

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Solution

The fourth proportional to 63,702.14, 87,911.88 and 35,406.14 is: 48,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,702.14 : 87,911.88 = 35,406.14 : x
  2. Step 2: Convert to fraction form
    63,702.14/87,911.88 = 35,406.14/x
  3. Step 3: Cross multiply
    63,702.14x = 87,911.88 × 35,406.14
  4. Step 4: Simplify right side
    63,702.14x = 3,112,620,330.94
  5. Step 5: Solve for x
    x = 3,112,620,330.94/63,702.14
  6. Step 6: Final answer
    x = 48,862.10

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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.