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Finding the Fourth Proportional to 1,950.73, 2,691.47 and 1,164.49

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Solution

The fourth proportional to 1,950.73, 2,691.47 and 1,164.49 is: 1,606.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.73 : 2,691.47 = 1,164.49 : x
  2. Step 2: Convert to fraction form
    1,950.73/2,691.47 = 1,164.49/x
  3. Step 3: Cross multiply
    1,950.73x = 2,691.47 × 1,164.49
  4. Step 4: Simplify right side
    1,950.73x = 3,134,184.08
  5. Step 5: Solve for x
    x = 3,134,184.08/1,950.73
  6. Step 6: Final answer
    x = 1,606.67

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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.