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Finding the Fourth Proportional to 22,040.71, 33,050.84 and 7,998.95

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Solution

The fourth proportional to 22,040.71, 33,050.84 and 7,998.95 is: 11,994.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,040.71 : 33,050.84 = 7,998.95 : x
  2. Step 2: Convert to fraction form
    22,040.71/33,050.84 = 7,998.95/x
  3. Step 3: Cross multiply
    22,040.71x = 33,050.84 × 7,998.95
  4. Step 4: Simplify right side
    22,040.71x = 264,372,059.25
  5. Step 5: Solve for x
    x = 264,372,059.25/22,040.71
  6. Step 6: Final answer
    x = 11,994.72

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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.