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Finding the Fourth Proportional to 38,551.20, 57,826.80 and 22,999.20

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Solution

The fourth proportional to 38,551.20, 57,826.80 and 22,999.20 is: 34,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,551.20 : 57,826.80 = 22,999.20 : x
  2. Step 2: Convert to fraction form
    38,551.20/57,826.80 = 22,999.20/x
  3. Step 3: Cross multiply
    38,551.20x = 57,826.80 × 22,999.20
  4. Step 4: Simplify right side
    38,551.20x = 1,329,970,138.56
  5. Step 5: Solve for x
    x = 1,329,970,138.56/38,551.20
  6. Step 6: Final answer
    x = 34,498.80

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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.