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Finding the Fourth Proportional to 1,167.41, 1,740.66 and 1,146.66

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Solution

The fourth proportional to 1,167.41, 1,740.66 and 1,146.66 is: 1,709.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.41 : 1,740.66 = 1,146.66 : x
  2. Step 2: Convert to fraction form
    1,167.41/1,740.66 = 1,146.66/x
  3. Step 3: Cross multiply
    1,167.41x = 1,740.66 × 1,146.66
  4. Step 4: Simplify right side
    1,167.41x = 1,995,934.37
  5. Step 5: Solve for x
    x = 1,995,934.37/1,167.41
  6. Step 6: Final answer
    x = 1,709.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.