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Finding the Fourth Proportional to 27,892.52, 38,494.36 and 15,953.52

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Solution

The fourth proportional to 27,892.52, 38,494.36 and 15,953.52 is: 22,017.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,892.52 : 38,494.36 = 15,953.52 : x
  2. Step 2: Convert to fraction form
    27,892.52/38,494.36 = 15,953.52/x
  3. Step 3: Cross multiply
    27,892.52x = 38,494.36 × 15,953.52
  4. Step 4: Simplify right side
    27,892.52x = 614,120,542.15
  5. Step 5: Solve for x
    x = 614,120,542.15/27,892.52
  6. Step 6: Final answer
    x = 22,017.39

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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.