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Finding the Fourth Proportional to 8,607.03, 12,916.00 and 3,676.70

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Solution

The fourth proportional to 8,607.03, 12,916.00 and 3,676.70 is: 5,517.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607.03 : 12,916.00 = 3,676.70 : x
  2. Step 2: Convert to fraction form
    8,607.03/12,916.00 = 3,676.70/x
  3. Step 3: Cross multiply
    8,607.03x = 12,916.00 × 3,676.70
  4. Step 4: Simplify right side
    8,607.03x = 47,488,294.09
  5. Step 5: Solve for x
    x = 47,488,294.09/8,607.03
  6. Step 6: Final answer
    x = 5,517.39

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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.