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Finding the Fourth Proportional to 60,540.88, 90,879.36 and 25,510

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Solution

The fourth proportional to 60,540.88, 90,879.36 and 25,510 is: 38,293.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,540.88 : 90,879.36 = 25,510 : x
  2. Step 2: Convert to fraction form
    60,540.88/90,879.36 = 25,510/x
  3. Step 3: Cross multiply
    60,540.88x = 90,879.36 × 25,510
  4. Step 4: Simplify right side
    60,540.88x = 2,318,332,473.60
  5. Step 5: Solve for x
    x = 2,318,332,473.60/60,540.88
  6. Step 6: Final answer
    x = 38,293.67

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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.