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Finding the Fourth Proportional to 18,418, 27,627.08 and 6,106

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Solution

The fourth proportional to 18,418, 27,627.08 and 6,106 is: 9,159.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418 : 27,627.08 = 6,106 : x
  2. Step 2: Convert to fraction form
    18,418/27,627.08 = 6,106/x
  3. Step 3: Cross multiply
    18,418x = 27,627.08 × 6,106
  4. Step 4: Simplify right side
    18,418x = 168,690,950.48
  5. Step 5: Solve for x
    x = 168,690,950.48/18,418
  6. Step 6: Final answer
    x = 9,159.03

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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.