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Finding the Fourth Proportional to 6,807.13, 10,211.21 and 1,876.73

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Solution

The fourth proportional to 6,807.13, 10,211.21 and 1,876.73 is: 2,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807.13 : 10,211.21 = 1,876.73 : x
  2. Step 2: Convert to fraction form
    6,807.13/10,211.21 = 1,876.73/x
  3. Step 3: Cross multiply
    6,807.13x = 10,211.21 × 1,876.73
  4. Step 4: Simplify right side
    6,807.13x = 19,163,636.47
  5. Step 5: Solve for x
    x = 19,163,636.47/6,807.13
  6. Step 6: Final answer
    x = 2,815.23

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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.