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Finding the Fourth Proportional to 5,155.95, 7,734.33 and 2,233.74

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Solution

The fourth proportional to 5,155.95, 7,734.33 and 2,233.74 is: 3,350.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.95 : 7,734.33 = 2,233.74 : x
  2. Step 2: Convert to fraction form
    5,155.95/7,734.33 = 2,233.74/x
  3. Step 3: Cross multiply
    5,155.95x = 7,734.33 × 2,233.74
  4. Step 4: Simplify right side
    5,155.95x = 17,276,482.29
  5. Step 5: Solve for x
    x = 17,276,482.29/5,155.95
  6. Step 6: Final answer
    x = 3,350.79

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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.