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Finding the Fourth Proportional to 65,493.92, 98,244.24 and 18,753.76

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Solution

The fourth proportional to 65,493.92, 98,244.24 and 18,753.76 is: 28,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,493.92 : 98,244.24 = 18,753.76 : x
  2. Step 2: Convert to fraction form
    65,493.92/98,244.24 = 18,753.76/x
  3. Step 3: Cross multiply
    65,493.92x = 98,244.24 × 18,753.76
  4. Step 4: Simplify right side
    65,493.92x = 1,842,448,898.34
  5. Step 5: Solve for x
    x = 1,842,448,898.34/65,493.92
  6. Step 6: Final answer
    x = 28,131.60

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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.