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Finding the Fourth Proportional to 65,532.93, 98,217.30 and 28,049.10

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Solution

The fourth proportional to 65,532.93, 98,217.30 and 28,049.10 is: 42,038.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,532.93 : 98,217.30 = 28,049.10 : x
  2. Step 2: Convert to fraction form
    65,532.93/98,217.30 = 28,049.10/x
  3. Step 3: Cross multiply
    65,532.93x = 98,217.30 × 28,049.10
  4. Step 4: Simplify right side
    65,532.93x = 2,754,906,869.43
  5. Step 5: Solve for x
    x = 2,754,906,869.43/65,532.93
  6. Step 6: Final answer
    x = 42,038.51

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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.