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Finding the Fourth Proportional to 38,542.66, 57,813.18 and 17,766.16

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Solution

The fourth proportional to 38,542.66, 57,813.18 and 17,766.16 is: 26,648.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,542.66 : 57,813.18 = 17,766.16 : x
  2. Step 2: Convert to fraction form
    38,542.66/57,813.18 = 17,766.16/x
  3. Step 3: Cross multiply
    38,542.66x = 57,813.18 × 17,766.16
  4. Step 4: Simplify right side
    38,542.66x = 1,027,118,205.99
  5. Step 5: Solve for x
    x = 1,027,118,205.99/38,542.66
  6. Step 6: Final answer
    x = 26,648.87

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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.