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Finding the Fourth Proportional to 9,326.28, 13,946.22 and 7,222.44

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Solution

The fourth proportional to 9,326.28, 13,946.22 and 7,222.44 is: 10,800.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.28 : 13,946.22 = 7,222.44 : x
  2. Step 2: Convert to fraction form
    9,326.28/13,946.22 = 7,222.44/x
  3. Step 3: Cross multiply
    9,326.28x = 13,946.22 × 7,222.44
  4. Step 4: Simplify right side
    9,326.28x = 100,725,737.18
  5. Step 5: Solve for x
    x = 100,725,737.18/9,326.28
  6. Step 6: Final answer
    x = 10,800.21

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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.