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Finding the Fourth Proportional to 6,714.85, 9,265.44 and 3,730.58

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Solution

The fourth proportional to 6,714.85, 9,265.44 and 3,730.58 is: 5,147.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,714.85 : 9,265.44 = 3,730.58 : x
  2. Step 2: Convert to fraction form
    6,714.85/9,265.44 = 3,730.58/x
  3. Step 3: Cross multiply
    6,714.85x = 9,265.44 × 3,730.58
  4. Step 4: Simplify right side
    6,714.85x = 34,565,472.64
  5. Step 5: Solve for x
    x = 34,565,472.64/6,714.85
  6. Step 6: Final answer
    x = 5,147.62

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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.