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Finding the Fourth Proportional to 18,473.27, 27,702.74 and 5,990.29

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Solution

The fourth proportional to 18,473.27, 27,702.74 and 5,990.29 is: 8,983.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,473.27 : 27,702.74 = 5,990.29 : x
  2. Step 2: Convert to fraction form
    18,473.27/27,702.74 = 5,990.29/x
  3. Step 3: Cross multiply
    18,473.27x = 27,702.74 × 5,990.29
  4. Step 4: Simplify right side
    18,473.27x = 165,947,392.11
  5. Step 5: Solve for x
    x = 165,947,392.11/18,473.27
  6. Step 6: Final answer
    x = 8,983.11

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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.