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Finding the Fourth Proportional to 25,652.97, 35,398.76 and 15,040.62

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Solution

The fourth proportional to 25,652.97, 35,398.76 and 15,040.62 is: 20,754.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,652.97 : 35,398.76 = 15,040.62 : x
  2. Step 2: Convert to fraction form
    25,652.97/35,398.76 = 15,040.62/x
  3. Step 3: Cross multiply
    25,652.97x = 35,398.76 × 15,040.62
  4. Step 4: Simplify right side
    25,652.97x = 532,419,222.43
  5. Step 5: Solve for x
    x = 532,419,222.43/25,652.97
  6. Step 6: Final answer
    x = 20,754.68

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1.5x scale

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.