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Finding the Fourth Proportional to 1,341.09, 1,850.67 and 751.61

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Solution

The fourth proportional to 1,341.09, 1,850.67 and 751.61 is: 1,037.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.09 : 1,850.67 = 751.61 : x
  2. Step 2: Convert to fraction form
    1,341.09/1,850.67 = 751.61/x
  3. Step 3: Cross multiply
    1,341.09x = 1,850.67 × 751.61
  4. Step 4: Simplify right side
    1,341.09x = 1,390,986.71
  5. Step 5: Solve for x
    x = 1,390,986.71/1,341.09
  6. Step 6: Final answer
    x = 1,037.21

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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.