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Finding the Fourth Proportional to 3,498.66, 4,828.59 and 2,006.91

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Solution

The fourth proportional to 3,498.66, 4,828.59 and 2,006.91 is: 2,769.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.66 : 4,828.59 = 2,006.91 : x
  2. Step 2: Convert to fraction form
    3,498.66/4,828.59 = 2,006.91/x
  3. Step 3: Cross multiply
    3,498.66x = 4,828.59 × 2,006.91
  4. Step 4: Simplify right side
    3,498.66x = 9,690,545.56
  5. Step 5: Solve for x
    x = 9,690,545.56/3,498.66
  6. Step 6: Final answer
    x = 2,769.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.