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Finding the Fourth Proportional to 6,808.65, 10,210.17 and 2,127.06

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Solution

The fourth proportional to 6,808.65, 10,210.17 and 2,127.06 is: 3,189.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808.65 : 10,210.17 = 2,127.06 : x
  2. Step 2: Convert to fraction form
    6,808.65/10,210.17 = 2,127.06/x
  3. Step 3: Cross multiply
    6,808.65x = 10,210.17 × 2,127.06
  4. Step 4: Simplify right side
    6,808.65x = 21,717,644.20
  5. Step 5: Solve for x
    x = 21,717,644.20/6,808.65
  6. Step 6: Final answer
    x = 3,189.71

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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.