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Finding the Fourth Proportional to 27,595.68, 38,081.88 and 15,020.16

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Solution

The fourth proportional to 27,595.68, 38,081.88 and 15,020.16 is: 20,727.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,595.68 : 38,081.88 = 15,020.16 : x
  2. Step 2: Convert to fraction form
    27,595.68/38,081.88 = 15,020.16/x
  3. Step 3: Cross multiply
    27,595.68x = 38,081.88 × 15,020.16
  4. Step 4: Simplify right side
    27,595.68x = 571,995,930.70
  5. Step 5: Solve for x
    x = 571,995,930.70/27,595.68
  6. Step 6: Final answer
    x = 20,727.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.