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Finding the Fourth Proportional to 5,676.66, 8,515.08 and 2,895.48

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Solution

The fourth proportional to 5,676.66, 8,515.08 and 2,895.48 is: 4,343.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.66 : 8,515.08 = 2,895.48 : x
  2. Step 2: Convert to fraction form
    5,676.66/8,515.08 = 2,895.48/x
  3. Step 3: Cross multiply
    5,676.66x = 8,515.08 × 2,895.48
  4. Step 4: Simplify right side
    5,676.66x = 24,655,243.84
  5. Step 5: Solve for x
    x = 24,655,243.84/5,676.66
  6. Step 6: Final answer
    x = 4,343.27

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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.