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Finding the Fourth Proportional to 26,320.80, 39,502.80 and 25,456.80

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Solution

The fourth proportional to 26,320.80, 39,502.80 and 25,456.80 is: 38,206.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,320.80 : 39,502.80 = 25,456.80 : x
  2. Step 2: Convert to fraction form
    26,320.80/39,502.80 = 25,456.80/x
  3. Step 3: Cross multiply
    26,320.80x = 39,502.80 × 25,456.80
  4. Step 4: Simplify right side
    26,320.80x = 1,005,614,879.04
  5. Step 5: Solve for x
    x = 1,005,614,879.04/26,320.80
  6. Step 6: Final answer
    x = 38,206.09

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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.