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Finding the Fourth Proportional to 8,267.92, 11,404.94 and 5,280.41

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Solution

The fourth proportional to 8,267.92, 11,404.94 and 5,280.41 is: 7,283.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.92 : 11,404.94 = 5,280.41 : x
  2. Step 2: Convert to fraction form
    8,267.92/11,404.94 = 5,280.41/x
  3. Step 3: Cross multiply
    8,267.92x = 11,404.94 × 5,280.41
  4. Step 4: Simplify right side
    8,267.92x = 60,222,761.34
  5. Step 5: Solve for x
    x = 60,222,761.34/8,267.92
  6. Step 6: Final answer
    x = 7,283.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.