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Finding the Fourth Proportional to 6,979.16, 10,468.74 and 1,714.16

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Solution

The fourth proportional to 6,979.16, 10,468.74 and 1,714.16 is: 2,571.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.16 : 10,468.74 = 1,714.16 : x
  2. Step 2: Convert to fraction form
    6,979.16/10,468.74 = 1,714.16/x
  3. Step 3: Cross multiply
    6,979.16x = 10,468.74 × 1,714.16
  4. Step 4: Simplify right side
    6,979.16x = 17,945,095.36
  5. Step 5: Solve for x
    x = 17,945,095.36/6,979.16
  6. Step 6: Final answer
    x = 2,571.24

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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.