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Finding the Fourth Proportional to 22,642.38, 33,952.64 and 9,491.22

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Solution

The fourth proportional to 22,642.38, 33,952.64 and 9,491.22 is: 14,232.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,642.38 : 33,952.64 = 9,491.22 : x
  2. Step 2: Convert to fraction form
    22,642.38/33,952.64 = 9,491.22/x
  3. Step 3: Cross multiply
    22,642.38x = 33,952.64 × 9,491.22
  4. Step 4: Simplify right side
    22,642.38x = 322,251,975.82
  5. Step 5: Solve for x
    x = 322,251,975.82/22,642.38
  6. Step 6: Final answer
    x = 14,232.25

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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.