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Finding the Fourth Proportional to 22,007.43, 33,010.79 and 8,859.47

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Solution

The fourth proportional to 22,007.43, 33,010.79 and 8,859.47 is: 13,289.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,007.43 : 33,010.79 = 8,859.47 : x
  2. Step 2: Convert to fraction form
    22,007.43/33,010.79 = 8,859.47/x
  3. Step 3: Cross multiply
    22,007.43x = 33,010.79 × 8,859.47
  4. Step 4: Simplify right side
    22,007.43x = 292,457,894.33
  5. Step 5: Solve for x
    x = 292,457,894.33/22,007.43
  6. Step 6: Final answer
    x = 13,289.05

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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.