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Finding the Fourth Proportional to 18,006.52, 27,012.48 and 6,317.68

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Solution

The fourth proportional to 18,006.52, 27,012.48 and 6,317.68 is: 9,477.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,006.52 : 27,012.48 = 6,317.68 : x
  2. Step 2: Convert to fraction form
    18,006.52/27,012.48 = 6,317.68/x
  3. Step 3: Cross multiply
    18,006.52x = 27,012.48 × 6,317.68
  4. Step 4: Simplify right side
    18,006.52x = 170,656,204.65
  5. Step 5: Solve for x
    x = 170,656,204.65/18,006.52
  6. Step 6: Final answer
    x = 9,477.47

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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.