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Finding the Fourth Proportional to 14,152.77, 21,229.63 and 6,361.61

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Solution

The fourth proportional to 14,152.77, 21,229.63 and 6,361.61 is: 9,542.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.77 : 21,229.63 = 6,361.61 : x
  2. Step 2: Convert to fraction form
    14,152.77/21,229.63 = 6,361.61/x
  3. Step 3: Cross multiply
    14,152.77x = 21,229.63 × 6,361.61
  4. Step 4: Simplify right side
    14,152.77x = 135,054,504.45
  5. Step 5: Solve for x
    x = 135,054,504.45/14,152.77
  6. Step 6: Final answer
    x = 9,542.62

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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.