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Finding the Fourth Proportional to 1,882.88, 2,826.06 and 959.11

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Solution

The fourth proportional to 1,882.88, 2,826.06 and 959.11 is: 1,439.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882.88 : 2,826.06 = 959.11 : x
  2. Step 2: Convert to fraction form
    1,882.88/2,826.06 = 959.11/x
  3. Step 3: Cross multiply
    1,882.88x = 2,826.06 × 959.11
  4. Step 4: Simplify right side
    1,882.88x = 2,710,502.41
  5. Step 5: Solve for x
    x = 2,710,502.41/1,882.88
  6. Step 6: Final answer
    x = 1,439.55

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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.