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Finding the Fourth Proportional to 27,064.68, 37,345.68 and 15,126.54

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Solution

The fourth proportional to 27,064.68, 37,345.68 and 15,126.54 is: 20,872.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,064.68 : 37,345.68 = 15,126.54 : x
  2. Step 2: Convert to fraction form
    27,064.68/37,345.68 = 15,126.54/x
  3. Step 3: Cross multiply
    27,064.68x = 37,345.68 × 15,126.54
  4. Step 4: Simplify right side
    27,064.68x = 564,910,922.35
  5. Step 5: Solve for x
    x = 564,910,922.35/27,064.68
  6. Step 6: Final answer
    x = 20,872.63

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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.