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Finding the Fourth Proportional to 1,701.87, 2,552.97 and 531.90

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Solution

The fourth proportional to 1,701.87, 2,552.97 and 531.90 is: 797.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.87 : 2,552.97 = 531.90 : x
  2. Step 2: Convert to fraction form
    1,701.87/2,552.97 = 531.90/x
  3. Step 3: Cross multiply
    1,701.87x = 2,552.97 × 531.90
  4. Step 4: Simplify right side
    1,701.87x = 1,357,924.74
  5. Step 5: Solve for x
    x = 1,357,924.74/1,701.87
  6. Step 6: Final answer
    x = 797.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.