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Finding the Fourth Proportional to 18,014.88, 27,022.32 and 5,702.88

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Solution

The fourth proportional to 18,014.88, 27,022.32 and 5,702.88 is: 8,554.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,014.88 : 27,022.32 = 5,702.88 : x
  2. Step 2: Convert to fraction form
    18,014.88/27,022.32 = 5,702.88/x
  3. Step 3: Cross multiply
    18,014.88x = 27,022.32 × 5,702.88
  4. Step 4: Simplify right side
    18,014.88x = 154,105,048.28
  5. Step 5: Solve for x
    x = 154,105,048.28/18,014.88
  6. Step 6: Final answer
    x = 8,554.32

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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.