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Finding the Fourth Proportional to 63,367.61, 87,441.35 and 37,868.90

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Solution

The fourth proportional to 63,367.61, 87,441.35 and 37,868.90 is: 52,255.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,367.61 : 87,441.35 = 37,868.90 : x
  2. Step 2: Convert to fraction form
    63,367.61/87,441.35 = 37,868.90/x
  3. Step 3: Cross multiply
    63,367.61x = 87,441.35 × 37,868.90
  4. Step 4: Simplify right side
    63,367.61x = 3,311,307,112.46
  5. Step 5: Solve for x
    x = 3,311,307,112.46/63,367.61
  6. Step 6: Final answer
    x = 52,255.52

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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.