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Finding the Fourth Proportional to 22,253.60, 33,380.40 and 9,101.60

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Solution

The fourth proportional to 22,253.60, 33,380.40 and 9,101.60 is: 13,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,253.60 : 33,380.40 = 9,101.60 : x
  2. Step 2: Convert to fraction form
    22,253.60/33,380.40 = 9,101.60/x
  3. Step 3: Cross multiply
    22,253.60x = 33,380.40 × 9,101.60
  4. Step 4: Simplify right side
    22,253.60x = 303,815,048.64
  5. Step 5: Solve for x
    x = 303,815,048.64/22,253.60
  6. Step 6: Final answer
    x = 13,652.40

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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.