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Finding the Fourth Proportional to 18,548.29, 27,810.08 and 9,641.73

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Solution

The fourth proportional to 18,548.29, 27,810.08 and 9,641.73 is: 14,456.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.29 : 27,810.08 = 9,641.73 : x
  2. Step 2: Convert to fraction form
    18,548.29/27,810.08 = 9,641.73/x
  3. Step 3: Cross multiply
    18,548.29x = 27,810.08 × 9,641.73
  4. Step 4: Simplify right side
    18,548.29x = 268,137,234.43
  5. Step 5: Solve for x
    x = 268,137,234.43/18,548.29
  6. Step 6: Final answer
    x = 14,456.17

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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.