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Finding the Fourth Proportional to 1,700.57, 2,539.34 and 1,349.97

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Solution

The fourth proportional to 1,700.57, 2,539.34 and 1,349.97 is: 2,015.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.57 : 2,539.34 = 1,349.97 : x
  2. Step 2: Convert to fraction form
    1,700.57/2,539.34 = 1,349.97/x
  3. Step 3: Cross multiply
    1,700.57x = 2,539.34 × 1,349.97
  4. Step 4: Simplify right side
    1,700.57x = 3,428,032.82
  5. Step 5: Solve for x
    x = 3,428,032.82/1,700.57
  6. Step 6: Final answer
    x = 2,015.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.