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Finding the Fourth Proportional to 6,698.76, 9,244.31 and 3,714.65

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Solution

The fourth proportional to 6,698.76, 9,244.31 and 3,714.65 is: 5,126.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,698.76 : 9,244.31 = 3,714.65 : x
  2. Step 2: Convert to fraction form
    6,698.76/9,244.31 = 3,714.65/x
  3. Step 3: Cross multiply
    6,698.76x = 9,244.31 × 3,714.65
  4. Step 4: Simplify right side
    6,698.76x = 34,339,311.35
  5. Step 5: Solve for x
    x = 34,339,311.35/6,698.76
  6. Step 6: Final answer
    x = 5,126.22

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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.