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Finding the Fourth Proportional to 18,326.74, 27,489.63 and 5,847.53

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Solution

The fourth proportional to 18,326.74, 27,489.63 and 5,847.53 is: 8,771.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326.74 : 27,489.63 = 5,847.53 : x
  2. Step 2: Convert to fraction form
    18,326.74/27,489.63 = 5,847.53/x
  3. Step 3: Cross multiply
    18,326.74x = 27,489.63 × 5,847.53
  4. Step 4: Simplify right side
    18,326.74x = 160,746,287.70
  5. Step 5: Solve for x
    x = 160,746,287.70/18,326.74
  6. Step 6: Final answer
    x = 8,771.13

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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.