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Finding the Fourth Proportional to 38,061.80, 57,092.70 and 25,620.20

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Solution

The fourth proportional to 38,061.80, 57,092.70 and 25,620.20 is: 38,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,061.80 : 57,092.70 = 25,620.20 : x
  2. Step 2: Convert to fraction form
    38,061.80/57,092.70 = 25,620.20/x
  3. Step 3: Cross multiply
    38,061.80x = 57,092.70 × 25,620.20
  4. Step 4: Simplify right side
    38,061.80x = 1,462,726,392.54
  5. Step 5: Solve for x
    x = 1,462,726,392.54/38,061.80
  6. Step 6: Final answer
    x = 38,430.30

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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.