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Finding the Fourth Proportional to 63,383.28, 87,469.95 and 34,702.44

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Solution

The fourth proportional to 63,383.28, 87,469.95 and 34,702.44 is: 47,889.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,383.28 : 87,469.95 = 34,702.44 : x
  2. Step 2: Convert to fraction form
    63,383.28/87,469.95 = 34,702.44/x
  3. Step 3: Cross multiply
    63,383.28x = 87,469.95 × 34,702.44
  4. Step 4: Simplify right side
    63,383.28x = 3,035,420,691.68
  5. Step 5: Solve for x
    x = 3,035,420,691.68/63,383.28
  6. Step 6: Final answer
    x = 47,889.93

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1.5x scale

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.