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Finding the Fourth Proportional to 6,979.41, 10,469.16 and 1,714.46

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Solution

The fourth proportional to 6,979.41, 10,469.16 and 1,714.46 is: 2,571.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.41 : 10,469.16 = 1,714.46 : x
  2. Step 2: Convert to fraction form
    6,979.41/10,469.16 = 1,714.46/x
  3. Step 3: Cross multiply
    6,979.41x = 10,469.16 × 1,714.46
  4. Step 4: Simplify right side
    6,979.41x = 17,948,903.71
  5. Step 5: Solve for x
    x = 17,948,903.71/6,979.41
  6. Step 6: Final answer
    x = 2,571.69

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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.