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Finding the Fourth Proportional to 38,050.80, 57,108.60 and 17,023.20

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Solution

The fourth proportional to 38,050.80, 57,108.60 and 17,023.20 is: 25,549.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,050.80 : 57,108.60 = 17,023.20 : x
  2. Step 2: Convert to fraction form
    38,050.80/57,108.60 = 17,023.20/x
  3. Step 3: Cross multiply
    38,050.80x = 57,108.60 × 17,023.20
  4. Step 4: Simplify right side
    38,050.80x = 972,171,119.52
  5. Step 5: Solve for x
    x = 972,171,119.52/38,050.80
  6. Step 6: Final answer
    x = 25,549.30

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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.