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Finding the Fourth Proportional to 1,667.02, 2,299.02 and 1,136.76

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Solution

The fourth proportional to 1,667.02, 2,299.02 and 1,136.76 is: 1,567.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667.02 : 2,299.02 = 1,136.76 : x
  2. Step 2: Convert to fraction form
    1,667.02/2,299.02 = 1,136.76/x
  3. Step 3: Cross multiply
    1,667.02x = 2,299.02 × 1,136.76
  4. Step 4: Simplify right side
    1,667.02x = 2,613,433.98
  5. Step 5: Solve for x
    x = 2,613,433.98/1,667.02
  6. Step 6: Final answer
    x = 1,567.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.