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Finding the Fourth Proportional to 22,908.77, 34,360.99 and 7,322.21

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Solution

The fourth proportional to 22,908.77, 34,360.99 and 7,322.21 is: 10,982.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,908.77 : 34,360.99 = 7,322.21 : x
  2. Step 2: Convert to fraction form
    22,908.77/34,360.99 = 7,322.21/x
  3. Step 3: Cross multiply
    22,908.77x = 34,360.99 × 7,322.21
  4. Step 4: Simplify right side
    22,908.77x = 251,598,384.59
  5. Step 5: Solve for x
    x = 251,598,384.59/22,908.77
  6. Step 6: Final answer
    x = 10,982.62

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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.