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Finding the Fourth Proportional to 63,712.48, 87,915.54 and 35,027.40

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Solution

The fourth proportional to 63,712.48, 87,915.54 and 35,027.40 is: 48,333.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,712.48 : 87,915.54 = 35,027.40 : x
  2. Step 2: Convert to fraction form
    63,712.48/87,915.54 = 35,027.40/x
  3. Step 3: Cross multiply
    63,712.48x = 87,915.54 × 35,027.40
  4. Step 4: Simplify right side
    63,712.48x = 3,079,452,785.80
  5. Step 5: Solve for x
    x = 3,079,452,785.80/63,712.48
  6. Step 6: Final answer
    x = 48,333.59

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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.