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Finding the Fourth Proportional to 27,079.56, 40,625.82 and 13,719.24

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Solution

The fourth proportional to 27,079.56, 40,625.82 and 13,719.24 is: 20,582.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,079.56 : 40,625.82 = 13,719.24 : x
  2. Step 2: Convert to fraction form
    27,079.56/40,625.82 = 13,719.24/x
  3. Step 3: Cross multiply
    27,079.56x = 40,625.82 × 13,719.24
  4. Step 4: Simplify right side
    27,079.56x = 557,355,374.78
  5. Step 5: Solve for x
    x = 557,355,374.78/27,079.56
  6. Step 6: Final answer
    x = 20,582.14

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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.