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Finding the Fourth Proportional to 22,441.19, 33,661.79 and 6,858.68

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Solution

The fourth proportional to 22,441.19, 33,661.79 and 6,858.68 is: 10,288.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,441.19 : 33,661.79 = 6,858.68 : x
  2. Step 2: Convert to fraction form
    22,441.19/33,661.79 = 6,858.68/x
  3. Step 3: Cross multiply
    22,441.19x = 33,661.79 × 6,858.68
  4. Step 4: Simplify right side
    22,441.19x = 230,875,411.54
  5. Step 5: Solve for x
    x = 230,875,411.54/22,441.19
  6. Step 6: Final answer
    x = 10,288.02

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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.