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Finding the Fourth Proportional to 6,186.42, 9,279.54 and 3,376.44

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Solution

The fourth proportional to 6,186.42, 9,279.54 and 3,376.44 is: 5,064.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,186.42 : 9,279.54 = 3,376.44 : x
  2. Step 2: Convert to fraction form
    6,186.42/9,279.54 = 3,376.44/x
  3. Step 3: Cross multiply
    6,186.42x = 9,279.54 × 3,376.44
  4. Step 4: Simplify right side
    6,186.42x = 31,331,810.04
  5. Step 5: Solve for x
    x = 31,331,810.04/6,186.42
  6. Step 6: Final answer
    x = 5,064.61

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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.