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Finding the Fourth Proportional to 5,676.59, 8,513.53 and 2,387.99

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Solution

The fourth proportional to 5,676.59, 8,513.53 and 2,387.99 is: 3,581.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.59 : 8,513.53 = 2,387.99 : x
  2. Step 2: Convert to fraction form
    5,676.59/8,513.53 = 2,387.99/x
  3. Step 3: Cross multiply
    5,676.59x = 8,513.53 × 2,387.99
  4. Step 4: Simplify right side
    5,676.59x = 20,330,224.50
  5. Step 5: Solve for x
    x = 20,330,224.50/5,676.59
  6. Step 6: Final answer
    x = 3,581.41

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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.