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Finding the Fourth Proportional to 18,373.01, 27,545.65 and 9,478.81

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Solution

The fourth proportional to 18,373.01, 27,545.65 and 9,478.81 is: 14,211.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373.01 : 27,545.65 = 9,478.81 : x
  2. Step 2: Convert to fraction form
    18,373.01/27,545.65 = 9,478.81/x
  3. Step 3: Cross multiply
    18,373.01x = 27,545.65 × 9,478.81
  4. Step 4: Simplify right side
    18,373.01x = 261,099,982.68
  5. Step 5: Solve for x
    x = 261,099,982.68/18,373.01
  6. Step 6: Final answer
    x = 14,211.06

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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.