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Finding the Fourth Proportional to 8,252.64, 12,380.18 and 5,343.93

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Solution

The fourth proportional to 8,252.64, 12,380.18 and 5,343.93 is: 8,016.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.64 : 12,380.18 = 5,343.93 : x
  2. Step 2: Convert to fraction form
    8,252.64/12,380.18 = 5,343.93/x
  3. Step 3: Cross multiply
    8,252.64x = 12,380.18 × 5,343.93
  4. Step 4: Simplify right side
    8,252.64x = 66,158,865.07
  5. Step 5: Solve for x
    x = 66,158,865.07/8,252.64
  6. Step 6: Final answer
    x = 8,016.69

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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.