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Finding the Fourth Proportional to 22,288.60, 33,431.76 and 7,497.64

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Solution

The fourth proportional to 22,288.60, 33,431.76 and 7,497.64 is: 11,246.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,288.60 : 33,431.76 = 7,497.64 : x
  2. Step 2: Convert to fraction form
    22,288.60/33,431.76 = 7,497.64/x
  3. Step 3: Cross multiply
    22,288.60x = 33,431.76 × 7,497.64
  4. Step 4: Simplify right side
    22,288.60x = 250,659,301.05
  5. Step 5: Solve for x
    x = 250,659,301.05/22,288.60
  6. Step 6: Final answer
    x = 11,246.08

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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.