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Finding the Fourth Proportional to 27,442.59, 37,873 and 15,508.41

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Solution

The fourth proportional to 27,442.59, 37,873 and 15,508.41 is: 21,402.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,442.59 : 37,873 = 15,508.41 : x
  2. Step 2: Convert to fraction form
    27,442.59/37,873 = 15,508.41/x
  3. Step 3: Cross multiply
    27,442.59x = 37,873 × 15,508.41
  4. Step 4: Simplify right side
    27,442.59x = 587,349,822.57
  5. Step 5: Solve for x
    x = 587,349,822.57/27,442.59
  6. Step 6: Final answer
    x = 21,402.86

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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.