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Finding the Fourth Proportional to 26,497.80, 39,768.30 and 25,633.80

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Solution

The fourth proportional to 26,497.80, 39,768.30 and 25,633.80 is: 38,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,497.80 : 39,768.30 = 25,633.80 : x
  2. Step 2: Convert to fraction form
    26,497.80/39,768.30 = 25,633.80/x
  3. Step 3: Cross multiply
    26,497.80x = 39,768.30 × 25,633.80
  4. Step 4: Simplify right side
    26,497.80x = 1,019,412,648.54
  5. Step 5: Solve for x
    x = 1,019,412,648.54/26,497.80
  6. Step 6: Final answer
    x = 38,471.60

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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.