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Finding the Fourth Proportional to 40,524.60, 60,758.10 and 18,348.60

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Solution

The fourth proportional to 40,524.60, 60,758.10 and 18,348.60 is: 27,509.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,524.60 : 60,758.10 = 18,348.60 : x
  2. Step 2: Convert to fraction form
    40,524.60/60,758.10 = 18,348.60/x
  3. Step 3: Cross multiply
    40,524.60x = 60,758.10 × 18,348.60
  4. Step 4: Simplify right side
    40,524.60x = 1,114,826,073.66
  5. Step 5: Solve for x
    x = 1,114,826,073.66/40,524.60
  6. Step 6: Final answer
    x = 27,509.86

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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.