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Finding the Fourth Proportional to 22,056.91, 33,091.54 and 8,918.51

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Solution

The fourth proportional to 22,056.91, 33,091.54 and 8,918.51 is: 13,380.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,056.91 : 33,091.54 = 8,918.51 : x
  2. Step 2: Convert to fraction form
    22,056.91/33,091.54 = 8,918.51/x
  3. Step 3: Cross multiply
    22,056.91x = 33,091.54 × 8,918.51
  4. Step 4: Simplify right side
    22,056.91x = 295,127,042.65
  5. Step 5: Solve for x
    x = 295,127,042.65/22,056.91
  6. Step 6: Final answer
    x = 13,380.25

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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.