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Finding the Fourth Proportional to 1,667.93, 2,501.92 and 572.27

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Solution

The fourth proportional to 1,667.93, 2,501.92 and 572.27 is: 858.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667.93 : 2,501.92 = 572.27 : x
  2. Step 2: Convert to fraction form
    1,667.93/2,501.92 = 572.27/x
  3. Step 3: Cross multiply
    1,667.93x = 2,501.92 × 572.27
  4. Step 4: Simplify right side
    1,667.93x = 1,431,761.96
  5. Step 5: Solve for x
    x = 1,431,761.96/1,667.93
  6. Step 6: Final answer
    x = 858.41

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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.