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Finding the Fourth Proportional to 27,471.92, 41,207.88 and 15,777.68

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Solution

The fourth proportional to 27,471.92, 41,207.88 and 15,777.68 is: 23,666.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,471.92 : 41,207.88 = 15,777.68 : x
  2. Step 2: Convert to fraction form
    27,471.92/41,207.88 = 15,777.68/x
  3. Step 3: Cross multiply
    27,471.92x = 41,207.88 × 15,777.68
  4. Step 4: Simplify right side
    27,471.92x = 650,164,744.12
  5. Step 5: Solve for x
    x = 650,164,744.12/27,471.92
  6. Step 6: Final answer
    x = 23,666.52

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Double scale
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Similar ratio
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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.