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Finding the Fourth Proportional to 75,608.76, 113,422.42 and 25,697.08

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Solution

The fourth proportional to 75,608.76, 113,422.42 and 25,697.08 is: 38,548.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,608.76 : 113,422.42 = 25,697.08 : x
  2. Step 2: Convert to fraction form
    75,608.76/113,422.42 = 25,697.08/x
  3. Step 3: Cross multiply
    75,608.76x = 113,422.42 × 25,697.08
  4. Step 4: Simplify right side
    75,608.76x = 2,914,625,000.53
  5. Step 5: Solve for x
    x = 2,914,625,000.53/75,608.76
  6. Step 6: Final answer
    x = 38,548.77

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1.5x scale

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.