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Finding the Fourth Proportional to 65,366.55, 98,036.91 and 17,969.41

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Solution

The fourth proportional to 65,366.55, 98,036.91 and 17,969.41 is: 26,950.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,366.55 : 98,036.91 = 17,969.41 : x
  2. Step 2: Convert to fraction form
    65,366.55/98,036.91 = 17,969.41/x
  3. Step 3: Cross multiply
    65,366.55x = 98,036.91 × 17,969.41
  4. Step 4: Simplify right side
    65,366.55x = 1,761,665,287.08
  5. Step 5: Solve for x
    x = 1,761,665,287.08/65,366.55
  6. Step 6: Final answer
    x = 26,950.56

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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.