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Finding the Fourth Proportional to 25,982.38, 35,856.03 and 15,371.74

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Solution

The fourth proportional to 25,982.38, 35,856.03 and 15,371.74 is: 21,213.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,982.38 : 35,856.03 = 15,371.74 : x
  2. Step 2: Convert to fraction form
    25,982.38/35,856.03 = 15,371.74/x
  3. Step 3: Cross multiply
    25,982.38x = 35,856.03 × 15,371.74
  4. Step 4: Simplify right side
    25,982.38x = 551,169,570.59
  5. Step 5: Solve for x
    x = 551,169,570.59/25,982.38
  6. Step 6: Final answer
    x = 21,213.21

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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.