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Finding the Fourth Proportional to 8,916.57, 13,373.14 and 2,676.57

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Solution

The fourth proportional to 8,916.57, 13,373.14 and 2,676.57 is: 4,014.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.57 : 13,373.14 = 2,676.57 : x
  2. Step 2: Convert to fraction form
    8,916.57/13,373.14 = 2,676.57/x
  3. Step 3: Cross multiply
    8,916.57x = 13,373.14 × 2,676.57
  4. Step 4: Simplify right side
    8,916.57x = 35,794,172.07
  5. Step 5: Solve for x
    x = 35,794,172.07/8,916.57
  6. Step 6: Final answer
    x = 4,014.35

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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.