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Finding the Fourth Proportional to 5,808.47, 8,713.28 and 3,338.51

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Solution

The fourth proportional to 5,808.47, 8,713.28 and 3,338.51 is: 5,008.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.47 : 8,713.28 = 3,338.51 : x
  2. Step 2: Convert to fraction form
    5,808.47/8,713.28 = 3,338.51/x
  3. Step 3: Cross multiply
    5,808.47x = 8,713.28 × 3,338.51
  4. Step 4: Simplify right side
    5,808.47x = 29,089,355.72
  5. Step 5: Solve for x
    x = 29,089,355.72/5,808.47
  6. Step 6: Final answer
    x = 5,008.09

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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.