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Finding the Fourth Proportional to 1,950.56, 2,691.66 and 1,066.38

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Solution

The fourth proportional to 1,950.56, 2,691.66 and 1,066.38 is: 1,471.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.56 : 2,691.66 = 1,066.38 : x
  2. Step 2: Convert to fraction form
    1,950.56/2,691.66 = 1,066.38/x
  3. Step 3: Cross multiply
    1,950.56x = 2,691.66 × 1,066.38
  4. Step 4: Simplify right side
    1,950.56x = 2,870,332.39
  5. Step 5: Solve for x
    x = 2,870,332.39/1,950.56
  6. Step 6: Final answer
    x = 1,471.54

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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.