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Finding the Fourth Proportional to 22,019.53, 33,029.18 and 5,379.65

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Solution

The fourth proportional to 22,019.53, 33,029.18 and 5,379.65 is: 8,069.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,019.53 : 33,029.18 = 5,379.65 : x
  2. Step 2: Convert to fraction form
    22,019.53/33,029.18 = 5,379.65/x
  3. Step 3: Cross multiply
    22,019.53x = 33,029.18 × 5,379.65
  4. Step 4: Simplify right side
    22,019.53x = 177,685,483.86
  5. Step 5: Solve for x
    x = 177,685,483.86/22,019.53
  6. Step 6: Final answer
    x = 8,069.45

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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.