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Finding the Fourth Proportional to 2,768.54, 4,153.20 and 1,037

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Solution

The fourth proportional to 2,768.54, 4,153.20 and 1,037 is: 1,555.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.54 : 4,153.20 = 1,037 : x
  2. Step 2: Convert to fraction form
    2,768.54/4,153.20 = 1,037/x
  3. Step 3: Cross multiply
    2,768.54x = 4,153.20 × 1,037
  4. Step 4: Simplify right side
    2,768.54x = 4,306,868.40
  5. Step 5: Solve for x
    x = 4,306,868.40/2,768.54
  6. Step 6: Final answer
    x = 1,555.65

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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.