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Finding the Fourth Proportional to 18,296.48, 27,482.24 and 12,065.44

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Solution

The fourth proportional to 18,296.48, 27,482.24 and 12,065.44 is: 18,122.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.48 : 27,482.24 = 12,065.44 : x
  2. Step 2: Convert to fraction form
    18,296.48/27,482.24 = 12,065.44/x
  3. Step 3: Cross multiply
    18,296.48x = 27,482.24 × 12,065.44
  4. Step 4: Simplify right side
    18,296.48x = 331,585,317.79
  5. Step 5: Solve for x
    x = 331,585,317.79/18,296.48
  6. Step 6: Final answer
    x = 18,122.90

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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.