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Finding the Fourth Proportional to 22,235.40, 33,356.88 and 9,087.48

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Solution

The fourth proportional to 22,235.40, 33,356.88 and 9,087.48 is: 13,632.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,235.40 : 33,356.88 = 9,087.48 : x
  2. Step 2: Convert to fraction form
    22,235.40/33,356.88 = 9,087.48/x
  3. Step 3: Cross multiply
    22,235.40x = 33,356.88 × 9,087.48
  4. Step 4: Simplify right side
    22,235.40x = 303,129,979.86
  5. Step 5: Solve for x
    x = 303,129,979.86/22,235.40
  6. Step 6: Final answer
    x = 13,632.76

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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.