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Finding the Fourth Proportional to 26,648.97, 39,966.49 and 7,923.97

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Solution

The fourth proportional to 26,648.97, 39,966.49 and 7,923.97 is: 11,883.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,648.97 : 39,966.49 = 7,923.97 : x
  2. Step 2: Convert to fraction form
    26,648.97/39,966.49 = 7,923.97/x
  3. Step 3: Cross multiply
    26,648.97x = 39,966.49 × 7,923.97
  4. Step 4: Simplify right side
    26,648.97x = 316,693,267.77
  5. Step 5: Solve for x
    x = 316,693,267.77/26,648.97
  6. Step 6: Final answer
    x = 11,883.88

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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.