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Finding the Fourth Proportional to 22,403.97, 33,582.45 and 8,358.33

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Solution

The fourth proportional to 22,403.97, 33,582.45 and 8,358.33 is: 12,528.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,403.97 : 33,582.45 = 8,358.33 : x
  2. Step 2: Convert to fraction form
    22,403.97/33,582.45 = 8,358.33/x
  3. Step 3: Cross multiply
    22,403.97x = 33,582.45 × 8,358.33
  4. Step 4: Simplify right side
    22,403.97x = 280,693,199.31
  5. Step 5: Solve for x
    x = 280,693,199.31/22,403.97
  6. Step 6: Final answer
    x = 12,528.73

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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.