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Finding the Fourth Proportional to 18,056.66, 27,066.53 and 6,206.88

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Solution

The fourth proportional to 18,056.66, 27,066.53 and 6,206.88 is: 9,303.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,056.66 : 27,066.53 = 6,206.88 : x
  2. Step 2: Convert to fraction form
    18,056.66/27,066.53 = 6,206.88/x
  3. Step 3: Cross multiply
    18,056.66x = 27,066.53 × 6,206.88
  4. Step 4: Simplify right side
    18,056.66x = 167,998,537.36
  5. Step 5: Solve for x
    x = 167,998,537.36/18,056.66
  6. Step 6: Final answer
    x = 9,303.97

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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.