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Finding the Fourth Proportional to 1,701.86, 2,552.82 and 531.89

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Solution

The fourth proportional to 1,701.86, 2,552.82 and 531.89 is: 797.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.86 : 2,552.82 = 531.89 : x
  2. Step 2: Convert to fraction form
    1,701.86/2,552.82 = 531.89/x
  3. Step 3: Cross multiply
    1,701.86x = 2,552.82 × 531.89
  4. Step 4: Simplify right side
    1,701.86x = 1,357,825.81
  5. Step 5: Solve for x
    x = 1,357,825.81/1,701.86
  6. Step 6: Final answer
    x = 797.85

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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.