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Finding the Fourth Proportional to 57,436.62, 86,154.96 and 26,250

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Solution

The fourth proportional to 57,436.62, 86,154.96 and 26,250 is: 39,375.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,436.62 : 86,154.96 = 26,250 : x
  2. Step 2: Convert to fraction form
    57,436.62/86,154.96 = 26,250/x
  3. Step 3: Cross multiply
    57,436.62x = 86,154.96 × 26,250
  4. Step 4: Simplify right side
    57,436.62x = 2,261,567,700
  5. Step 5: Solve for x
    x = 2,261,567,700/57,436.62
  6. Step 6: Final answer
    x = 39,375.01

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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.