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Finding the Fourth Proportional to 65,366.80, 98,037.29 and 17,969.66

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Solution

The fourth proportional to 65,366.80, 98,037.29 and 17,969.66 is: 26,950.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,366.80 : 98,037.29 = 17,969.66 : x
  2. Step 2: Convert to fraction form
    65,366.80/98,037.29 = 17,969.66/x
  3. Step 3: Cross multiply
    65,366.80x = 98,037.29 × 17,969.66
  4. Step 4: Simplify right side
    65,366.80x = 1,761,696,433.68
  5. Step 5: Solve for x
    x = 1,761,696,433.68/65,366.80
  6. Step 6: Final answer
    x = 26,950.94

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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.