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Finding the Fourth Proportional to 63,702.45, 87,910.02 and 35,023.59

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Solution

The fourth proportional to 63,702.45, 87,910.02 and 35,023.59 is: 48,332.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,702.45 : 87,910.02 = 35,023.59 : x
  2. Step 2: Convert to fraction form
    63,702.45/87,910.02 = 35,023.59/x
  3. Step 3: Cross multiply
    63,702.45x = 87,910.02 × 35,023.59
  4. Step 4: Simplify right side
    63,702.45x = 3,078,924,497.37
  5. Step 5: Solve for x
    x = 3,078,924,497.37/63,702.45
  6. Step 6: Final answer
    x = 48,332.91

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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.