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Finding the Fourth Proportional to 65,497.92, 98,250.24 and 18,757.68

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Solution

The fourth proportional to 65,497.92, 98,250.24 and 18,757.68 is: 28,137.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,497.92 : 98,250.24 = 18,757.68 : x
  2. Step 2: Convert to fraction form
    65,497.92/98,250.24 = 18,757.68/x
  3. Step 3: Cross multiply
    65,497.92x = 98,250.24 × 18,757.68
  4. Step 4: Simplify right side
    65,497.92x = 1,842,946,561.84
  5. Step 5: Solve for x
    x = 1,842,946,561.84/65,497.92
  6. Step 6: Final answer
    x = 28,137.48

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1.5x scale

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.