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Finding the Fourth Proportional to 18,167.49, 27,234.82 and 6,477.98

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Solution

The fourth proportional to 18,167.49, 27,234.82 and 6,477.98 is: 9,711.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,167.49 : 27,234.82 = 6,477.98 : x
  2. Step 2: Convert to fraction form
    18,167.49/27,234.82 = 6,477.98/x
  3. Step 3: Cross multiply
    18,167.49x = 27,234.82 × 6,477.98
  4. Step 4: Simplify right side
    18,167.49x = 176,426,454.75
  5. Step 5: Solve for x
    x = 176,426,454.75/18,167.49
  6. Step 6: Final answer
    x = 9,711.11

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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.