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Finding the Fourth Proportional to 61,672.32, 92,244.96 and 37,921.32

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Solution

The fourth proportional to 61,672.32, 92,244.96 and 37,921.32 is: 56,719.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,672.32 : 92,244.96 = 37,921.32 : x
  2. Step 2: Convert to fraction form
    61,672.32/92,244.96 = 37,921.32/x
  3. Step 3: Cross multiply
    61,672.32x = 92,244.96 × 37,921.32
  4. Step 4: Simplify right side
    61,672.32x = 3,498,050,646.55
  5. Step 5: Solve for x
    x = 3,498,050,646.55/61,672.32
  6. Step 6: Final answer
    x = 56,719.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.