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Finding the Fourth Proportional to 22,407.74, 33,611.60 and 9,245.64

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Solution

The fourth proportional to 22,407.74, 33,611.60 and 9,245.64 is: 13,868.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,407.74 : 33,611.60 = 9,245.64 : x
  2. Step 2: Convert to fraction form
    22,407.74/33,611.60 = 9,245.64/x
  3. Step 3: Cross multiply
    22,407.74x = 33,611.60 × 9,245.64
  4. Step 4: Simplify right side
    22,407.74x = 310,760,753.42
  5. Step 5: Solve for x
    x = 310,760,753.42/22,407.74
  6. Step 6: Final answer
    x = 13,868.46

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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.