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Finding the Fourth Proportional to 8,600.63, 11,869.05 and 4,874.63

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Solution

The fourth proportional to 8,600.63, 11,869.05 and 4,874.63 is: 6,727.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.63 : 11,869.05 = 4,874.63 : x
  2. Step 2: Convert to fraction form
    8,600.63/11,869.05 = 4,874.63/x
  3. Step 3: Cross multiply
    8,600.63x = 11,869.05 × 4,874.63
  4. Step 4: Simplify right side
    8,600.63x = 57,857,143.48
  5. Step 5: Solve for x
    x = 57,857,143.48/8,600.63
  6. Step 6: Final answer
    x = 6,727.09

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1.5x scale

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.