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Finding the Fourth Proportional to 18,301.77, 27,400.77 and 12,042.96

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Solution

The fourth proportional to 18,301.77, 27,400.77 and 12,042.96 is: 18,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.77 : 27,400.77 = 12,042.96 : x
  2. Step 2: Convert to fraction form
    18,301.77/27,400.77 = 12,042.96/x
  3. Step 3: Cross multiply
    18,301.77x = 27,400.77 × 12,042.96
  4. Step 4: Simplify right side
    18,301.77x = 329,986,377.08
  5. Step 5: Solve for x
    x = 329,986,377.08/18,301.77
  6. Step 6: Final answer
    x = 18,030.30

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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.