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Finding the Fourth Proportional to 1,340.51, 1,850.00 and 751.14

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Solution

The fourth proportional to 1,340.51, 1,850.00 and 751.14 is: 1,036.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.51 : 1,850.00 = 751.14 : x
  2. Step 2: Convert to fraction form
    1,340.51/1,850.00 = 751.14/x
  3. Step 3: Cross multiply
    1,340.51x = 1,850.00 × 751.14
  4. Step 4: Simplify right side
    1,340.51x = 1,389,605.24
  5. Step 5: Solve for x
    x = 1,389,605.24/1,340.51
  6. Step 6: Final answer
    x = 1,036.63

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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.