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Finding the Fourth Proportional to 8,153.64, 12,232.62 and 3,473.82

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Solution

The fourth proportional to 8,153.64, 12,232.62 and 3,473.82 is: 5,211.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.64 : 12,232.62 = 3,473.82 : x
  2. Step 2: Convert to fraction form
    8,153.64/12,232.62 = 3,473.82/x
  3. Step 3: Cross multiply
    8,153.64x = 12,232.62 × 3,473.82
  4. Step 4: Simplify right side
    8,153.64x = 42,493,920.01
  5. Step 5: Solve for x
    x = 42,493,920.01/8,153.64
  6. Step 6: Final answer
    x = 5,211.65

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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.