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Finding the Fourth Proportional to 60,247.35, 90,375.71 and 15,873.59

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Solution

The fourth proportional to 60,247.35, 90,375.71 and 15,873.59 is: 23,811.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,247.35 : 90,375.71 = 15,873.59 : x
  2. Step 2: Convert to fraction form
    60,247.35/90,375.71 = 15,873.59/x
  3. Step 3: Cross multiply
    60,247.35x = 90,375.71 × 15,873.59
  4. Step 4: Simplify right side
    60,247.35x = 1,434,586,435.25
  5. Step 5: Solve for x
    x = 1,434,586,435.25/60,247.35
  6. Step 6: Final answer
    x = 23,811.61

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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.