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Finding the Fourth Proportional to 22,205.52, 33,311.52 and 7,411.68

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Solution

The fourth proportional to 22,205.52, 33,311.52 and 7,411.68 is: 11,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,205.52 : 33,311.52 = 7,411.68 : x
  2. Step 2: Convert to fraction form
    22,205.52/33,311.52 = 7,411.68/x
  3. Step 3: Cross multiply
    22,205.52x = 33,311.52 × 7,411.68
  4. Step 4: Simplify right side
    22,205.52x = 246,894,326.55
  5. Step 5: Solve for x
    x = 246,894,326.55/22,205.52
  6. Step 6: Final answer
    x = 11,118.60

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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.