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Finding the Fourth Proportional to 4,676.54, 7,019.06 and 2,487.11

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Solution

The fourth proportional to 4,676.54, 7,019.06 and 2,487.11 is: 3,732.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,676.54 : 7,019.06 = 2,487.11 : x
  2. Step 2: Convert to fraction form
    4,676.54/7,019.06 = 2,487.11/x
  3. Step 3: Cross multiply
    4,676.54x = 7,019.06 × 2,487.11
  4. Step 4: Simplify right side
    4,676.54x = 17,457,126.79
  5. Step 5: Solve for x
    x = 17,457,126.79/4,676.54
  6. Step 6: Final answer
    x = 3,732.92

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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.