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Finding the Fourth Proportional to 22,181.46, 33,271.77 and 7,391.46

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Solution

The fourth proportional to 22,181.46, 33,271.77 and 7,391.46 is: 11,087.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,181.46 : 33,271.77 = 7,391.46 : x
  2. Step 2: Convert to fraction form
    22,181.46/33,271.77 = 7,391.46/x
  3. Step 3: Cross multiply
    22,181.46x = 33,271.77 × 7,391.46
  4. Step 4: Simplify right side
    22,181.46x = 245,926,957.08
  5. Step 5: Solve for x
    x = 245,926,957.08/22,181.46
  6. Step 6: Final answer
    x = 11,087.05

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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.