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Finding the Fourth Proportional to 65,616.93, 98,426.91 and 23,499.90

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Solution

The fourth proportional to 65,616.93, 98,426.91 and 23,499.90 is: 35,250.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,616.93 : 98,426.91 = 23,499.90 : x
  2. Step 2: Convert to fraction form
    65,616.93/98,426.91 = 23,499.90/x
  3. Step 3: Cross multiply
    65,616.93x = 98,426.91 × 23,499.90
  4. Step 4: Simplify right side
    65,616.93x = 2,313,022,542.31
  5. Step 5: Solve for x
    x = 2,313,022,542.31/65,616.93
  6. Step 6: Final answer
    x = 35,250.39

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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.