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Finding the Fourth Proportional to 26,854.56, 37,042.56 and 18,456.48

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Solution

The fourth proportional to 26,854.56, 37,042.56 and 18,456.48 is: 25,458.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,854.56 : 37,042.56 = 18,456.48 : x
  2. Step 2: Convert to fraction form
    26,854.56/37,042.56 = 18,456.48/x
  3. Step 3: Cross multiply
    26,854.56x = 37,042.56 × 18,456.48
  4. Step 4: Simplify right side
    26,854.56x = 683,675,267.79
  5. Step 5: Solve for x
    x = 683,675,267.79/26,854.56
  6. Step 6: Final answer
    x = 25,458.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.