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Finding the Fourth Proportional to 66,617.60, 99,914.88 and 25,064.96

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Solution

The fourth proportional to 66,617.60, 99,914.88 and 25,064.96 is: 37,593.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,617.60 : 99,914.88 = 25,064.96 : x
  2. Step 2: Convert to fraction form
    66,617.60/99,914.88 = 25,064.96/x
  3. Step 3: Cross multiply
    66,617.60x = 99,914.88 × 25,064.96
  4. Step 4: Simplify right side
    66,617.60x = 2,504,362,470.60
  5. Step 5: Solve for x
    x = 2,504,362,470.60/66,617.60
  6. Step 6: Final answer
    x = 37,593.11

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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.