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Finding the Fourth Proportional to 66,559.92, 99,837.96 and 17,311.92

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Solution

The fourth proportional to 66,559.92, 99,837.96 and 17,311.92 is: 25,967.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,559.92 : 99,837.96 = 17,311.92 : x
  2. Step 2: Convert to fraction form
    66,559.92/99,837.96 = 17,311.92/x
  3. Step 3: Cross multiply
    66,559.92x = 99,837.96 × 17,311.92
  4. Step 4: Simplify right side
    66,559.92x = 1,728,386,776.48
  5. Step 5: Solve for x
    x = 1,728,386,776.48/66,559.92
  6. Step 6: Final answer
    x = 25,967.38

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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.