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Finding the Fourth Proportional to 18,166.34, 27,234.66 and 9,403.76

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Solution

The fourth proportional to 18,166.34, 27,234.66 and 9,403.76 is: 14,097.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166.34 : 27,234.66 = 9,403.76 : x
  2. Step 2: Convert to fraction form
    18,166.34/27,234.66 = 9,403.76/x
  3. Step 3: Cross multiply
    18,166.34x = 27,234.66 × 9,403.76
  4. Step 4: Simplify right side
    18,166.34x = 256,108,206.32
  5. Step 5: Solve for x
    x = 256,108,206.32/18,166.34
  6. Step 6: Final answer
    x = 14,097.95

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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.