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Finding the Fourth Proportional to 38,061.90, 57,096.45 and 10,359.90

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Solution

The fourth proportional to 38,061.90, 57,096.45 and 10,359.90 is: 15,540.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,061.90 : 57,096.45 = 10,359.90 : x
  2. Step 2: Convert to fraction form
    38,061.90/57,096.45 = 10,359.90/x
  3. Step 3: Cross multiply
    38,061.90x = 57,096.45 × 10,359.90
  4. Step 4: Simplify right side
    38,061.90x = 591,513,512.36
  5. Step 5: Solve for x
    x = 591,513,512.36/38,061.90
  6. Step 6: Final answer
    x = 15,540.83

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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.