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Finding the Fourth Proportional to 22,322.79, 33,488.79 and 7,331.04

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Solution

The fourth proportional to 22,322.79, 33,488.79 and 7,331.04 is: 10,998.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,322.79 : 33,488.79 = 7,331.04 : x
  2. Step 2: Convert to fraction form
    22,322.79/33,488.79 = 7,331.04/x
  3. Step 3: Cross multiply
    22,322.79x = 33,488.79 × 7,331.04
  4. Step 4: Simplify right side
    22,322.79x = 245,507,659.04
  5. Step 5: Solve for x
    x = 245,507,659.04/22,322.79
  6. Step 6: Final answer
    x = 10,998.07

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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.