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Finding the Fourth Proportional to 18,061.18, 27,097.74 and 8,064.77

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Solution

The fourth proportional to 18,061.18, 27,097.74 and 8,064.77 is: 12,099.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,061.18 : 27,097.74 = 8,064.77 : x
  2. Step 2: Convert to fraction form
    18,061.18/27,097.74 = 8,064.77/x
  3. Step 3: Cross multiply
    18,061.18x = 27,097.74 × 8,064.77
  4. Step 4: Simplify right side
    18,061.18x = 218,536,905.13
  5. Step 5: Solve for x
    x = 218,536,905.13/18,061.18
  6. Step 6: Final answer
    x = 12,099.81

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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.