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Finding the Fourth Proportional to 18,191.52, 27,287.28 and 6,508.08

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Solution

The fourth proportional to 18,191.52, 27,287.28 and 6,508.08 is: 9,762.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.52 : 27,287.28 = 6,508.08 : x
  2. Step 2: Convert to fraction form
    18,191.52/27,287.28 = 6,508.08/x
  3. Step 3: Cross multiply
    18,191.52x = 27,287.28 × 6,508.08
  4. Step 4: Simplify right side
    18,191.52x = 177,587,801.22
  5. Step 5: Solve for x
    x = 177,587,801.22/18,191.52
  6. Step 6: Final answer
    x = 9,762.12

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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.