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Finding the Fourth Proportional to 5,976.74, 8,912.48 and 5,561.22

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Solution

The fourth proportional to 5,976.74, 8,912.48 and 5,561.22 is: 8,292.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,976.74 : 8,912.48 = 5,561.22 : x
  2. Step 2: Convert to fraction form
    5,976.74/8,912.48 = 5,561.22/x
  3. Step 3: Cross multiply
    5,976.74x = 8,912.48 × 5,561.22
  4. Step 4: Simplify right side
    5,976.74x = 49,564,262.03
  5. Step 5: Solve for x
    x = 49,564,262.03/5,976.74
  6. Step 6: Final answer
    x = 8,292.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.