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Finding the Fourth Proportional to 1,667.99, 2,502.24 and 572.67

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Solution

The fourth proportional to 1,667.99, 2,502.24 and 572.67 is: 859.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667.99 : 2,502.24 = 572.67 : x
  2. Step 2: Convert to fraction form
    1,667.99/2,502.24 = 572.67/x
  3. Step 3: Cross multiply
    1,667.99x = 2,502.24 × 572.67
  4. Step 4: Simplify right side
    1,667.99x = 1,432,958.85
  5. Step 5: Solve for x
    x = 1,432,958.85/1,667.99
  6. Step 6: Final answer
    x = 859.09

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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.