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Finding the Fourth Proportional to 27,889.52, 38,488.44 and 15,952.88

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Solution

The fourth proportional to 27,889.52, 38,488.44 and 15,952.88 is: 22,015.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,889.52 : 38,488.44 = 15,952.88 : x
  2. Step 2: Convert to fraction form
    27,889.52/38,488.44 = 15,952.88/x
  3. Step 3: Cross multiply
    27,889.52x = 38,488.44 × 15,952.88
  4. Step 4: Simplify right side
    27,889.52x = 614,001,464.71
  5. Step 5: Solve for x
    x = 614,001,464.71/27,889.52
  6. Step 6: Final answer
    x = 22,015.49

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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.