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Finding the Fourth Proportional to 1,964.91, 2,703.86 and 1,952.76

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Solution

The fourth proportional to 1,964.91, 2,703.86 and 1,952.76 is: 2,687.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.91 : 2,703.86 = 1,952.76 : x
  2. Step 2: Convert to fraction form
    1,964.91/2,703.86 = 1,952.76/x
  3. Step 3: Cross multiply
    1,964.91x = 2,703.86 × 1,952.76
  4. Step 4: Simplify right side
    1,964.91x = 5,279,976.65
  5. Step 5: Solve for x
    x = 5,279,976.65/1,964.91
  6. Step 6: Final answer
    x = 2,687.14

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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.