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Finding the Fourth Proportional to 1,341.39, 1,850.69 and 751.82

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Solution

The fourth proportional to 1,341.39, 1,850.69 and 751.82 is: 1,037.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.39 : 1,850.69 = 751.82 : x
  2. Step 2: Convert to fraction form
    1,341.39/1,850.69 = 751.82/x
  3. Step 3: Cross multiply
    1,341.39x = 1,850.69 × 751.82
  4. Step 4: Simplify right side
    1,341.39x = 1,391,372.74
  5. Step 5: Solve for x
    x = 1,391,372.74/1,341.39
  6. Step 6: Final answer
    x = 1,037.26

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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.