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Finding the Fourth Proportional to 60,578.56, 90,837.31 and 35,286.21

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Solution

The fourth proportional to 60,578.56, 90,837.31 and 35,286.21 is: 52,911.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,578.56 : 90,837.31 = 35,286.21 : x
  2. Step 2: Convert to fraction form
    60,578.56/90,837.31 = 35,286.21/x
  3. Step 3: Cross multiply
    60,578.56x = 90,837.31 × 35,286.21
  4. Step 4: Simplify right side
    60,578.56x = 3,205,304,396.50
  5. Step 5: Solve for x
    x = 3,205,304,396.50/60,578.56
  6. Step 6: Final answer
    x = 52,911.53

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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.