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Finding the Fourth Proportional to 5,510.50, 8,226.08 and 4,722

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Solution

The fourth proportional to 5,510.50, 8,226.08 and 4,722 is: 7,049.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.50 : 8,226.08 = 4,722 : x
  2. Step 2: Convert to fraction form
    5,510.50/8,226.08 = 4,722/x
  3. Step 3: Cross multiply
    5,510.50x = 8,226.08 × 4,722
  4. Step 4: Simplify right side
    5,510.50x = 38,843,549.76
  5. Step 5: Solve for x
    x = 38,843,549.76/5,510.50
  6. Step 6: Final answer
    x = 7,049.01

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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.