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Finding the Fourth Proportional to 8,622.07, 12,934.31 and 3,073.77

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Solution

The fourth proportional to 8,622.07, 12,934.31 and 3,073.77 is: 4,611.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622.07 : 12,934.31 = 3,073.77 : x
  2. Step 2: Convert to fraction form
    8,622.07/12,934.31 = 3,073.77/x
  3. Step 3: Cross multiply
    8,622.07x = 12,934.31 × 3,073.77
  4. Step 4: Simplify right side
    8,622.07x = 39,757,094.05
  5. Step 5: Solve for x
    x = 39,757,094.05/8,622.07
  6. Step 6: Final answer
    x = 4,611.08

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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.