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Finding the Fourth Proportional to 2,338.49, 3,505.88 and 1,167.89

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Solution

The fourth proportional to 2,338.49, 3,505.88 and 1,167.89 is: 1,750.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338.49 : 3,505.88 = 1,167.89 : x
  2. Step 2: Convert to fraction form
    2,338.49/3,505.88 = 1,167.89/x
  3. Step 3: Cross multiply
    2,338.49x = 3,505.88 × 1,167.89
  4. Step 4: Simplify right side
    2,338.49x = 4,094,482.19
  5. Step 5: Solve for x
    x = 4,094,482.19/2,338.49
  6. Step 6: Final answer
    x = 1,750.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.