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Finding the Fourth Proportional to 6,873.03, 10,314.50 and 5,316.84

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Solution

The fourth proportional to 6,873.03, 10,314.50 and 5,316.84 is: 7,979.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873.03 : 10,314.50 = 5,316.84 : x
  2. Step 2: Convert to fraction form
    6,873.03/10,314.50 = 5,316.84/x
  3. Step 3: Cross multiply
    6,873.03x = 10,314.50 × 5,316.84
  4. Step 4: Simplify right side
    6,873.03x = 54,840,519.60
  5. Step 5: Solve for x
    x = 54,840,519.60/6,873.03
  6. Step 6: Final answer
    x = 7,979.09

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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.