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Finding the Fourth Proportional to 22,574.90, 33,870.05 and 8,538.97

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Solution

The fourth proportional to 22,574.90, 33,870.05 and 8,538.97 is: 12,811.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,574.90 : 33,870.05 = 8,538.97 : x
  2. Step 2: Convert to fraction form
    22,574.90/33,870.05 = 8,538.97/x
  3. Step 3: Cross multiply
    22,574.90x = 33,870.05 × 8,538.97
  4. Step 4: Simplify right side
    22,574.90x = 289,215,309.01
  5. Step 5: Solve for x
    x = 289,215,309.01/22,574.90
  6. Step 6: Final answer
    x = 12,811.36

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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.