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Finding the Fourth Proportional to 2,369.72, 3,554.97 and 725.87

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Solution

The fourth proportional to 2,369.72, 3,554.97 and 725.87 is: 1,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,369.72 : 3,554.97 = 725.87 : x
  2. Step 2: Convert to fraction form
    2,369.72/3,554.97 = 725.87/x
  3. Step 3: Cross multiply
    2,369.72x = 3,554.97 × 725.87
  4. Step 4: Simplify right side
    2,369.72x = 2,580,428.30
  5. Step 5: Solve for x
    x = 2,580,428.30/2,369.72
  6. Step 6: Final answer
    x = 1,088.92

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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.