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Finding the Fourth Proportional to 65,366.92, 98,037.47 and 17,969.78

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Solution

The fourth proportional to 65,366.92, 98,037.47 and 17,969.78 is: 26,951.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,366.92 : 98,037.47 = 17,969.78 : x
  2. Step 2: Convert to fraction form
    65,366.92/98,037.47 = 17,969.78/x
  3. Step 3: Cross multiply
    65,366.92x = 98,037.47 × 17,969.78
  4. Step 4: Simplify right side
    65,366.92x = 1,761,712,057.67
  5. Step 5: Solve for x
    x = 1,761,712,057.67/65,366.92
  6. Step 6: Final answer
    x = 26,951.12

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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.