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Finding the Fourth Proportional to 1,667.66, 2,500.11 and 927.27

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Solution

The fourth proportional to 1,667.66, 2,500.11 and 927.27 is: 1,390.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667.66 : 2,500.11 = 927.27 : x
  2. Step 2: Convert to fraction form
    1,667.66/2,500.11 = 927.27/x
  3. Step 3: Cross multiply
    1,667.66x = 2,500.11 × 927.27
  4. Step 4: Simplify right side
    1,667.66x = 2,318,277.00
  5. Step 5: Solve for x
    x = 2,318,277.00/1,667.66
  6. Step 6: Final answer
    x = 1,390.14

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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.