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Finding the Fourth Proportional to 2,333.65, 3,500.57 and 773.79

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Solution

The fourth proportional to 2,333.65, 3,500.57 and 773.79 is: 1,160.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,333.65 : 3,500.57 = 773.79 : x
  2. Step 2: Convert to fraction form
    2,333.65/3,500.57 = 773.79/x
  3. Step 3: Cross multiply
    2,333.65x = 3,500.57 × 773.79
  4. Step 4: Simplify right side
    2,333.65x = 2,708,706.06
  5. Step 5: Solve for x
    x = 2,708,706.06/2,333.65
  6. Step 6: Final answer
    x = 1,160.72

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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.