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Finding the Fourth Proportional to 22,012.58, 33,017.73 and 7,219.55

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Solution

The fourth proportional to 22,012.58, 33,017.73 and 7,219.55 is: 10,828.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012.58 : 33,017.73 = 7,219.55 : x
  2. Step 2: Convert to fraction form
    22,012.58/33,017.73 = 7,219.55/x
  3. Step 3: Cross multiply
    22,012.58x = 33,017.73 × 7,219.55
  4. Step 4: Simplify right side
    22,012.58x = 238,373,208.09
  5. Step 5: Solve for x
    x = 238,373,208.09/22,012.58
  6. Step 6: Final answer
    x = 10,828.95

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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.