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Finding the Fourth Proportional to 18,002.52, 27,006.48 and 6,313.68

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Solution

The fourth proportional to 18,002.52, 27,006.48 and 6,313.68 is: 9,471.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,002.52 : 27,006.48 = 6,313.68 : x
  2. Step 2: Convert to fraction form
    18,002.52/27,006.48 = 6,313.68/x
  3. Step 3: Cross multiply
    18,002.52x = 27,006.48 × 6,313.68
  4. Step 4: Simplify right side
    18,002.52x = 170,510,272.65
  5. Step 5: Solve for x
    x = 170,510,272.65/18,002.52
  6. Step 6: Final answer
    x = 9,471.47

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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.