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Finding the Fourth Proportional to 66,679.56, 99,988.56 and 24,549.06

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Solution

The fourth proportional to 66,679.56, 99,988.56 and 24,549.06 is: 36,812.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,679.56 : 99,988.56 = 24,549.06 : x
  2. Step 2: Convert to fraction form
    66,679.56/99,988.56 = 24,549.06/x
  3. Step 3: Cross multiply
    66,679.56x = 99,988.56 × 24,549.06
  4. Step 4: Simplify right side
    66,679.56x = 2,454,625,158.75
  5. Step 5: Solve for x
    x = 2,454,625,158.75/66,679.56
  6. Step 6: Final answer
    x = 36,812.26

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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.