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Finding the Fourth Proportional to 22,448.81, 33,673.39 and 9,965.48

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Solution

The fourth proportional to 22,448.81, 33,673.39 and 9,965.48 is: 14,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,448.81 : 33,673.39 = 9,965.48 : x
  2. Step 2: Convert to fraction form
    22,448.81/33,673.39 = 9,965.48/x
  3. Step 3: Cross multiply
    22,448.81x = 33,673.39 × 9,965.48
  4. Step 4: Simplify right side
    22,448.81x = 335,571,490.71
  5. Step 5: Solve for x
    x = 335,571,490.71/22,448.81
  6. Step 6: Final answer
    x = 14,948.30

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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.