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Finding the Fourth Proportional to 18,586.17, 27,887.49 and 7,514.49

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Solution

The fourth proportional to 18,586.17, 27,887.49 and 7,514.49 is: 11,275.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586.17 : 27,887.49 = 7,514.49 : x
  2. Step 2: Convert to fraction form
    18,586.17/27,887.49 = 7,514.49/x
  3. Step 3: Cross multiply
    18,586.17x = 27,887.49 × 7,514.49
  4. Step 4: Simplify right side
    18,586.17x = 209,560,264.73
  5. Step 5: Solve for x
    x = 209,560,264.73/18,586.17
  6. Step 6: Final answer
    x = 11,275.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.