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Finding the Fourth Proportional to 1,341.24, 1,850.89 and 751.79

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Solution

The fourth proportional to 1,341.24, 1,850.89 and 751.79 is: 1,037.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.24 : 1,850.89 = 751.79 : x
  2. Step 2: Convert to fraction form
    1,341.24/1,850.89 = 751.79/x
  3. Step 3: Cross multiply
    1,341.24x = 1,850.89 × 751.79
  4. Step 4: Simplify right side
    1,341.24x = 1,391,480.59
  5. Step 5: Solve for x
    x = 1,391,480.59/1,341.24
  6. Step 6: Final answer
    x = 1,037.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.