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Finding the Fourth Proportional to 6,998.91, 10,500.62 and 2,068.59

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Solution

The fourth proportional to 6,998.91, 10,500.62 and 2,068.59 is: 3,103.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,998.91 : 10,500.62 = 2,068.59 : x
  2. Step 2: Convert to fraction form
    6,998.91/10,500.62 = 2,068.59/x
  3. Step 3: Cross multiply
    6,998.91x = 10,500.62 × 2,068.59
  4. Step 4: Simplify right side
    6,998.91x = 21,721,467.18
  5. Step 5: Solve for x
    x = 21,721,467.18/6,998.91
  6. Step 6: Final answer
    x = 3,103.55

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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.