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Finding the Fourth Proportional to 18,510.81, 27,769.40 and 6,027.29

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Solution

The fourth proportional to 18,510.81, 27,769.40 and 6,027.29 is: 9,041.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.81 : 27,769.40 = 6,027.29 : x
  2. Step 2: Convert to fraction form
    18,510.81/27,769.40 = 6,027.29/x
  3. Step 3: Cross multiply
    18,510.81x = 27,769.40 × 6,027.29
  4. Step 4: Simplify right side
    18,510.81x = 167,374,311.42
  5. Step 5: Solve for x
    x = 167,374,311.42/18,510.81
  6. Step 6: Final answer
    x = 9,041.98

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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.