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Finding the Fourth Proportional to 3,253.70, 4,881.05 and 1,061.91

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Solution

The fourth proportional to 3,253.70, 4,881.05 and 1,061.91 is: 1,593.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.70 : 4,881.05 = 1,061.91 : x
  2. Step 2: Convert to fraction form
    3,253.70/4,881.05 = 1,061.91/x
  3. Step 3: Cross multiply
    3,253.70x = 4,881.05 × 1,061.91
  4. Step 4: Simplify right side
    3,253.70x = 5,183,230.50
  5. Step 5: Solve for x
    x = 5,183,230.50/3,253.70
  6. Step 6: Final answer
    x = 1,593.03

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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.