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Finding the Fourth Proportional to 22,675.68, 33,990.71 and 8,632.08

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Solution

The fourth proportional to 22,675.68, 33,990.71 and 8,632.08 is: 12,939.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,675.68 : 33,990.71 = 8,632.08 : x
  2. Step 2: Convert to fraction form
    22,675.68/33,990.71 = 8,632.08/x
  3. Step 3: Cross multiply
    22,675.68x = 33,990.71 × 8,632.08
  4. Step 4: Simplify right side
    22,675.68x = 293,410,484.82
  5. Step 5: Solve for x
    x = 293,410,484.82/22,675.68
  6. Step 6: Final answer
    x = 12,939.43

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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.