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Finding the Fourth Proportional to 63,368.52, 87,440.88 and 36,519.72

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Solution

The fourth proportional to 63,368.52, 87,440.88 and 36,519.72 is: 50,392.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,368.52 : 87,440.88 = 36,519.72 : x
  2. Step 2: Convert to fraction form
    63,368.52/87,440.88 = 36,519.72/x
  3. Step 3: Cross multiply
    63,368.52x = 87,440.88 × 36,519.72
  4. Step 4: Simplify right side
    63,368.52x = 3,193,316,454.15
  5. Step 5: Solve for x
    x = 3,193,316,454.15/63,368.52
  6. Step 6: Final answer
    x = 50,392.79

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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.