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Finding the Fourth Proportional to 27,609.92, 38,101.92 and 15,034.64

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Solution

The fourth proportional to 27,609.92, 38,101.92 and 15,034.64 is: 20,747.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,609.92 : 38,101.92 = 15,034.64 : x
  2. Step 2: Convert to fraction form
    27,609.92/38,101.92 = 15,034.64/x
  3. Step 3: Cross multiply
    27,609.92x = 38,101.92 × 15,034.64
  4. Step 4: Simplify right side
    27,609.92x = 572,848,650.51
  5. Step 5: Solve for x
    x = 572,848,650.51/27,609.92
  6. Step 6: Final answer
    x = 20,747.93

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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.