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Finding the Fourth Proportional to 22,249.95, 33,379.93 and 7,458.49

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Solution

The fourth proportional to 22,249.95, 33,379.93 and 7,458.49 is: 11,189.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,249.95 : 33,379.93 = 7,458.49 : x
  2. Step 2: Convert to fraction form
    22,249.95/33,379.93 = 7,458.49/x
  3. Step 3: Cross multiply
    22,249.95x = 33,379.93 × 7,458.49
  4. Step 4: Simplify right side
    22,249.95x = 248,963,836.81
  5. Step 5: Solve for x
    x = 248,963,836.81/22,249.95
  6. Step 6: Final answer
    x = 11,189.41

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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.