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Finding the Fourth Proportional to 6,175.45, 8,522.13 and 3,342.83

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Solution

The fourth proportional to 6,175.45, 8,522.13 and 3,342.83 is: 4,613.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,175.45 : 8,522.13 = 3,342.83 : x
  2. Step 2: Convert to fraction form
    6,175.45/8,522.13 = 3,342.83/x
  3. Step 3: Cross multiply
    6,175.45x = 8,522.13 × 3,342.83
  4. Step 4: Simplify right side
    6,175.45x = 28,488,031.83
  5. Step 5: Solve for x
    x = 28,488,031.83/6,175.45
  6. Step 6: Final answer
    x = 4,613.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.