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Finding the Fourth Proportional to 7,226.70, 10,840.10 and 3,706.71

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Solution

The fourth proportional to 7,226.70, 10,840.10 and 3,706.71 is: 5,560.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,226.70 : 10,840.10 = 3,706.71 : x
  2. Step 2: Convert to fraction form
    7,226.70/10,840.10 = 3,706.71/x
  3. Step 3: Cross multiply
    7,226.70x = 10,840.10 × 3,706.71
  4. Step 4: Simplify right side
    7,226.70x = 40,181,088.54
  5. Step 5: Solve for x
    x = 40,181,088.54/7,226.70
  6. Step 6: Final answer
    x = 5,560.09

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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.