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Finding the Fourth Proportional to 65,834.52, 98,761.50 and 19,081.32

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Solution

The fourth proportional to 65,834.52, 98,761.50 and 19,081.32 is: 28,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,834.52 : 98,761.50 = 19,081.32 : x
  2. Step 2: Convert to fraction form
    65,834.52/98,761.50 = 19,081.32/x
  3. Step 3: Cross multiply
    65,834.52x = 98,761.50 × 19,081.32
  4. Step 4: Simplify right side
    65,834.52x = 1,884,499,785.18
  5. Step 5: Solve for x
    x = 1,884,499,785.18/65,834.52
  6. Step 6: Final answer
    x = 28,624.80

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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.