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Finding the Fourth Proportional to 63,454.76, 87,544.40 and 37,961.86

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Solution

The fourth proportional to 63,454.76, 87,544.40 and 37,961.86 is: 52,373.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,454.76 : 87,544.40 = 37,961.86 : x
  2. Step 2: Convert to fraction form
    63,454.76/87,544.40 = 37,961.86/x
  3. Step 3: Cross multiply
    63,454.76x = 87,544.40 × 37,961.86
  4. Step 4: Simplify right side
    63,454.76x = 3,323,348,256.58
  5. Step 5: Solve for x
    x = 3,323,348,256.58/63,454.76
  6. Step 6: Final answer
    x = 52,373.51

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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.