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Finding the Fourth Proportional to 65,550.92, 98,326.49 and 28,086.71

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Solution

The fourth proportional to 65,550.92, 98,326.49 and 28,086.71 is: 42,130.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,550.92 : 98,326.49 = 28,086.71 : x
  2. Step 2: Convert to fraction form
    65,550.92/98,326.49 = 28,086.71/x
  3. Step 3: Cross multiply
    65,550.92x = 98,326.49 × 28,086.71
  4. Step 4: Simplify right side
    65,550.92x = 2,761,666,977.88
  5. Step 5: Solve for x
    x = 2,761,666,977.88/65,550.92
  6. Step 6: Final answer
    x = 42,130.11

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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.