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Finding the Fourth Proportional to 8,751, 12,077.52 and 5,025

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Solution

The fourth proportional to 8,751, 12,077.52 and 5,025 is: 6,935.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751 : 12,077.52 = 5,025 : x
  2. Step 2: Convert to fraction form
    8,751/12,077.52 = 5,025/x
  3. Step 3: Cross multiply
    8,751x = 12,077.52 × 5,025
  4. Step 4: Simplify right side
    8,751x = 60,689,538
  5. Step 5: Solve for x
    x = 60,689,538/8,751
  6. Step 6: Final answer
    x = 6,935.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.