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Finding the Fourth Proportional to 61,659.73, 92,454.27 and 18,954.04

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Solution

The fourth proportional to 61,659.73, 92,454.27 and 18,954.04 is: 28,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,659.73 : 92,454.27 = 18,954.04 : x
  2. Step 2: Convert to fraction form
    61,659.73/92,454.27 = 18,954.04/x
  3. Step 3: Cross multiply
    61,659.73x = 92,454.27 × 18,954.04
  4. Step 4: Simplify right side
    61,659.73x = 1,752,381,931.75
  5. Step 5: Solve for x
    x = 1,752,381,931.75/61,659.73
  6. Step 6: Final answer
    x = 28,420.20

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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.