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Finding the Fourth Proportional to 6,760.51, 10,140.79 and 2,080.49

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Solution

The fourth proportional to 6,760.51, 10,140.79 and 2,080.49 is: 3,120.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,760.51 : 10,140.79 = 2,080.49 : x
  2. Step 2: Convert to fraction form
    6,760.51/10,140.79 = 2,080.49/x
  3. Step 3: Cross multiply
    6,760.51x = 10,140.79 × 2,080.49
  4. Step 4: Simplify right side
    6,760.51x = 21,097,812.19
  5. Step 5: Solve for x
    x = 21,097,812.19/6,760.51
  6. Step 6: Final answer
    x = 3,120.74

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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.