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Finding the Fourth Proportional to 61,820.60, 92,730.90 and 15,073.88

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Solution

The fourth proportional to 61,820.60, 92,730.90 and 15,073.88 is: 22,610.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,820.60 : 92,730.90 = 15,073.88 : x
  2. Step 2: Convert to fraction form
    61,820.60/92,730.90 = 15,073.88/x
  3. Step 3: Cross multiply
    61,820.60x = 92,730.90 × 15,073.88
  4. Step 4: Simplify right side
    61,820.60x = 1,397,814,458.89
  5. Step 5: Solve for x
    x = 1,397,814,458.89/61,820.60
  6. Step 6: Final answer
    x = 22,610.82

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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.