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Finding the Fourth Proportional to 6,794.51, 10,188.65 and 2,113.11

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Solution

The fourth proportional to 6,794.51, 10,188.65 and 2,113.11 is: 3,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,794.51 : 10,188.65 = 2,113.11 : x
  2. Step 2: Convert to fraction form
    6,794.51/10,188.65 = 2,113.11/x
  3. Step 3: Cross multiply
    6,794.51x = 10,188.65 × 2,113.11
  4. Step 4: Simplify right side
    6,794.51x = 21,529,727.64
  5. Step 5: Solve for x
    x = 21,529,727.64/6,794.51
  6. Step 6: Final answer
    x = 3,168.70

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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.