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Finding the Fourth Proportional to 22,762.62, 34,143.89 and 7,181.46

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Solution

The fourth proportional to 22,762.62, 34,143.89 and 7,181.46 is: 10,772.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,762.62 : 34,143.89 = 7,181.46 : x
  2. Step 2: Convert to fraction form
    22,762.62/34,143.89 = 7,181.46/x
  3. Step 3: Cross multiply
    22,762.62x = 34,143.89 × 7,181.46
  4. Step 4: Simplify right side
    22,762.62x = 245,202,944.37
  5. Step 5: Solve for x
    x = 245,202,944.37/22,762.62
  6. Step 6: Final answer
    x = 10,772.18

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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.