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Finding the Fourth Proportional to 18,084.71, 27,131.27 and 5,604.08

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Solution

The fourth proportional to 18,084.71, 27,131.27 and 5,604.08 is: 8,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084.71 : 27,131.27 = 5,604.08 : x
  2. Step 2: Convert to fraction form
    18,084.71/27,131.27 = 5,604.08/x
  3. Step 3: Cross multiply
    18,084.71x = 27,131.27 × 5,604.08
  4. Step 4: Simplify right side
    18,084.71x = 152,045,643.90
  5. Step 5: Solve for x
    x = 152,045,643.90/18,084.71
  6. Step 6: Final answer
    x = 8,407.42

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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.