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Finding the Fourth Proportional to 18,495.91, 27,744.06 and 5,348.40

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Solution

The fourth proportional to 18,495.91, 27,744.06 and 5,348.40 is: 8,022.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,495.91 : 27,744.06 = 5,348.40 : x
  2. Step 2: Convert to fraction form
    18,495.91/27,744.06 = 5,348.40/x
  3. Step 3: Cross multiply
    18,495.91x = 27,744.06 × 5,348.40
  4. Step 4: Simplify right side
    18,495.91x = 148,386,191.78
  5. Step 5: Solve for x
    x = 148,386,191.78/18,495.91
  6. Step 6: Final answer
    x = 8,022.65

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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.