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Finding the Fourth Proportional to 5,329.52, 7,993.18 and 1,433

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Solution

The fourth proportional to 5,329.52, 7,993.18 and 1,433 is: 2,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.52 : 7,993.18 = 1,433 : x
  2. Step 2: Convert to fraction form
    5,329.52/7,993.18 = 1,433/x
  3. Step 3: Cross multiply
    5,329.52x = 7,993.18 × 1,433
  4. Step 4: Simplify right side
    5,329.52x = 11,454,226.94
  5. Step 5: Solve for x
    x = 11,454,226.94/5,329.52
  6. Step 6: Final answer
    x = 2,149.20

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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.