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Finding the Fourth Proportional to 26,752.31, 40,128.65 and 8,032.49

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Solution

The fourth proportional to 26,752.31, 40,128.65 and 8,032.49 is: 12,048.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,752.31 : 40,128.65 = 8,032.49 : x
  2. Step 2: Convert to fraction form
    26,752.31/40,128.65 = 8,032.49/x
  3. Step 3: Cross multiply
    26,752.31x = 40,128.65 × 8,032.49
  4. Step 4: Simplify right side
    26,752.31x = 322,332,739.03
  5. Step 5: Solve for x
    x = 322,332,739.03/26,752.31
  6. Step 6: Final answer
    x = 12,048.78

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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.