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Finding the Fourth Proportional to 22,050.75, 33,078.46 and 7,259.68

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Solution

The fourth proportional to 22,050.75, 33,078.46 and 7,259.68 is: 10,890.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,050.75 : 33,078.46 = 7,259.68 : x
  2. Step 2: Convert to fraction form
    22,050.75/33,078.46 = 7,259.68/x
  3. Step 3: Cross multiply
    22,050.75x = 33,078.46 × 7,259.68
  4. Step 4: Simplify right side
    22,050.75x = 240,139,034.49
  5. Step 5: Solve for x
    x = 240,139,034.49/22,050.75
  6. Step 6: Final answer
    x = 10,890.29

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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.