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Finding the Fourth Proportional to 18,207.84, 27,254.52 and 12,552.48

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Solution

The fourth proportional to 18,207.84, 27,254.52 and 12,552.48 is: 18,789.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207.84 : 27,254.52 = 12,552.48 : x
  2. Step 2: Convert to fraction form
    18,207.84/27,254.52 = 12,552.48/x
  3. Step 3: Cross multiply
    18,207.84x = 27,254.52 × 12,552.48
  4. Step 4: Simplify right side
    18,207.84x = 342,111,817.21
  5. Step 5: Solve for x
    x = 342,111,817.21/18,207.84
  6. Step 6: Final answer
    x = 18,789.26

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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.