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Finding the Fourth Proportional to 8,954.73, 13,432.77 and 2,380.77

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Solution

The fourth proportional to 8,954.73, 13,432.77 and 2,380.77 is: 3,571.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.73 : 13,432.77 = 2,380.77 : x
  2. Step 2: Convert to fraction form
    8,954.73/13,432.77 = 2,380.77/x
  3. Step 3: Cross multiply
    8,954.73x = 13,432.77 × 2,380.77
  4. Step 4: Simplify right side
    8,954.73x = 31,980,335.83
  5. Step 5: Solve for x
    x = 31,980,335.83/8,954.73
  6. Step 6: Final answer
    x = 3,571.33

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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.