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Finding the Fourth Proportional to 18,599.70, 27,886.17 and 8,733.49

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Solution

The fourth proportional to 18,599.70, 27,886.17 and 8,733.49 is: 13,093.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599.70 : 27,886.17 = 8,733.49 : x
  2. Step 2: Convert to fraction form
    18,599.70/27,886.17 = 8,733.49/x
  3. Step 3: Cross multiply
    18,599.70x = 27,886.17 × 8,733.49
  4. Step 4: Simplify right side
    18,599.70x = 243,543,586.83
  5. Step 5: Solve for x
    x = 243,543,586.83/18,599.70
  6. Step 6: Final answer
    x = 13,093.95

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1.5x scale

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.