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Finding the Fourth Proportional to 64,251.62, 88,707.42 and 41,290.75

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Solution

The fourth proportional to 64,251.62, 88,707.42 and 41,290.75 is: 57,007.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,251.62 : 88,707.42 = 41,290.75 : x
  2. Step 2: Convert to fraction form
    64,251.62/88,707.42 = 41,290.75/x
  3. Step 3: Cross multiply
    64,251.62x = 88,707.42 × 41,290.75
  4. Step 4: Simplify right side
    64,251.62x = 3,662,795,902.37
  5. Step 5: Solve for x
    x = 3,662,795,902.37/64,251.62
  6. Step 6: Final answer
    x = 57,007.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.