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Finding the Fourth Proportional to 60,261.38, 90,392.61 and 15,894.44

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Solution

The fourth proportional to 60,261.38, 90,392.61 and 15,894.44 is: 23,841.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,261.38 : 90,392.61 = 15,894.44 : x
  2. Step 2: Convert to fraction form
    60,261.38/90,392.61 = 15,894.44/x
  3. Step 3: Cross multiply
    60,261.38x = 90,392.61 × 15,894.44
  4. Step 4: Simplify right side
    60,261.38x = 1,436,739,916.09
  5. Step 5: Solve for x
    x = 1,436,739,916.09/60,261.38
  6. Step 6: Final answer
    x = 23,841.80

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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.