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Finding the Fourth Proportional to 5,751.46, 8,623.14 and 2,238.76

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Solution

The fourth proportional to 5,751.46, 8,623.14 and 2,238.76 is: 3,356.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,751.46 : 8,623.14 = 2,238.76 : x
  2. Step 2: Convert to fraction form
    5,751.46/8,623.14 = 2,238.76/x
  3. Step 3: Cross multiply
    5,751.46x = 8,623.14 × 2,238.76
  4. Step 4: Simplify right side
    5,751.46x = 19,305,140.91
  5. Step 5: Solve for x
    x = 19,305,140.91/5,751.46
  6. Step 6: Final answer
    x = 3,356.56

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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.