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Finding the Fourth Proportional to 63,671.25, 87,862.59 and 36,811.86

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Solution

The fourth proportional to 63,671.25, 87,862.59 and 36,811.86 is: 50,798.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,671.25 : 87,862.59 = 36,811.86 : x
  2. Step 2: Convert to fraction form
    63,671.25/87,862.59 = 36,811.86/x
  3. Step 3: Cross multiply
    63,671.25x = 87,862.59 × 36,811.86
  4. Step 4: Simplify right side
    63,671.25x = 3,234,385,362.32
  5. Step 5: Solve for x
    x = 3,234,385,362.32/63,671.25
  6. Step 6: Final answer
    x = 50,798.21

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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.