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Finding the Fourth Proportional to 22,074.80, 33,114.48 and 7,076.64

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Solution

The fourth proportional to 22,074.80, 33,114.48 and 7,076.64 is: 10,615.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,074.80 : 33,114.48 = 7,076.64 : x
  2. Step 2: Convert to fraction form
    22,074.80/33,114.48 = 7,076.64/x
  3. Step 3: Cross multiply
    22,074.80x = 33,114.48 × 7,076.64
  4. Step 4: Simplify right side
    22,074.80x = 234,339,253.75
  5. Step 5: Solve for x
    x = 234,339,253.75/22,074.80
  6. Step 6: Final answer
    x = 10,615.69

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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.