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Finding the Fourth Proportional to 2,217.54, 3,325.95 and 736.77

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Solution

The fourth proportional to 2,217.54, 3,325.95 and 736.77 is: 1,105.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.54 : 3,325.95 = 736.77 : x
  2. Step 2: Convert to fraction form
    2,217.54/3,325.95 = 736.77/x
  3. Step 3: Cross multiply
    2,217.54x = 3,325.95 × 736.77
  4. Step 4: Simplify right side
    2,217.54x = 2,450,460.18
  5. Step 5: Solve for x
    x = 2,450,460.18/2,217.54
  6. Step 6: Final answer
    x = 1,105.04

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1.5x scale

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.