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Finding the Fourth Proportional to 36,183, 54,290.03 and 18,665.13

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Solution

The fourth proportional to 36,183, 54,290.03 and 18,665.13 is: 28,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,183 : 54,290.03 = 18,665.13 : x
  2. Step 2: Convert to fraction form
    36,183/54,290.03 = 18,665.13/x
  3. Step 3: Cross multiply
    36,183x = 54,290.03 × 18,665.13
  4. Step 4: Simplify right side
    36,183x = 1,013,330,374.33
  5. Step 5: Solve for x
    x = 1,013,330,374.33/36,183
  6. Step 6: Final answer
    x = 28,005.70

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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.