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Finding the Fourth Proportional to 37,113.20, 55,540.20 and 25,449.20

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Solution

The fourth proportional to 37,113.20, 55,540.20 and 25,449.20 is: 38,084.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,113.20 : 55,540.20 = 25,449.20 : x
  2. Step 2: Convert to fraction form
    37,113.20/55,540.20 = 25,449.20/x
  3. Step 3: Cross multiply
    37,113.20x = 55,540.20 × 25,449.20
  4. Step 4: Simplify right side
    37,113.20x = 1,413,453,657.84
  5. Step 5: Solve for x
    x = 1,413,453,657.84/37,113.20
  6. Step 6: Final answer
    x = 38,084.93

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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.