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Finding the Fourth Proportional to 65,811.20, 98,695.20 and 24,252.80

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Solution

The fourth proportional to 65,811.20, 98,695.20 and 24,252.80 is: 36,371.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,811.20 : 98,695.20 = 24,252.80 : x
  2. Step 2: Convert to fraction form
    65,811.20/98,695.20 = 24,252.80/x
  3. Step 3: Cross multiply
    65,811.20x = 98,695.20 × 24,252.80
  4. Step 4: Simplify right side
    65,811.20x = 2,393,634,946.56
  5. Step 5: Solve for x
    x = 2,393,634,946.56/65,811.20
  6. Step 6: Final answer
    x = 36,371.24

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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.