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Finding the Fourth Proportional to 27,250.40, 40,859.20 and 17,769.76

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Solution

The fourth proportional to 27,250.40, 40,859.20 and 17,769.76 is: 26,643.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,250.40 : 40,859.20 = 17,769.76 : x
  2. Step 2: Convert to fraction form
    27,250.40/40,859.20 = 17,769.76/x
  3. Step 3: Cross multiply
    27,250.40x = 40,859.20 × 17,769.76
  4. Step 4: Simplify right side
    27,250.40x = 726,058,177.79
  5. Step 5: Solve for x
    x = 726,058,177.79/27,250.40
  6. Step 6: Final answer
    x = 26,643.95

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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.