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Finding the Fourth Proportional to 3,593.59, 5,390.54 and 1,253.83

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Solution

The fourth proportional to 3,593.59, 5,390.54 and 1,253.83 is: 1,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,593.59 : 5,390.54 = 1,253.83 : x
  2. Step 2: Convert to fraction form
    3,593.59/5,390.54 = 1,253.83/x
  3. Step 3: Cross multiply
    3,593.59x = 5,390.54 × 1,253.83
  4. Step 4: Simplify right side
    3,593.59x = 6,758,825.94
  5. Step 5: Solve for x
    x = 6,758,825.94/3,593.59
  6. Step 6: Final answer
    x = 1,880.80

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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.