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Finding the Fourth Proportional to 5,788.48, 8,687.31 and 3,015.94

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Solution

The fourth proportional to 5,788.48, 8,687.31 and 3,015.94 is: 4,526.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,788.48 : 8,687.31 = 3,015.94 : x
  2. Step 2: Convert to fraction form
    5,788.48/8,687.31 = 3,015.94/x
  3. Step 3: Cross multiply
    5,788.48x = 8,687.31 × 3,015.94
  4. Step 4: Simplify right side
    5,788.48x = 26,200,405.72
  5. Step 5: Solve for x
    x = 26,200,405.72/5,788.48
  6. Step 6: Final answer
    x = 4,526.30

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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.