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Finding the Fourth Proportional to 3,781.93, 5,673.17 and 1,008.59

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Solution

The fourth proportional to 3,781.93, 5,673.17 and 1,008.59 is: 1,512.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.93 : 5,673.17 = 1,008.59 : x
  2. Step 2: Convert to fraction form
    3,781.93/5,673.17 = 1,008.59/x
  3. Step 3: Cross multiply
    3,781.93x = 5,673.17 × 1,008.59
  4. Step 4: Simplify right side
    3,781.93x = 5,721,879.76
  5. Step 5: Solve for x
    x = 5,721,879.76/3,781.93
  6. Step 6: Final answer
    x = 1,512.95

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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.