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Finding the Fourth Proportional to 2,372, 3,265.62 and 2,061.38

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Solution

The fourth proportional to 2,372, 3,265.62 and 2,061.38 is: 2,837.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372 : 3,265.62 = 2,061.38 : x
  2. Step 2: Convert to fraction form
    2,372/3,265.62 = 2,061.38/x
  3. Step 3: Cross multiply
    2,372x = 3,265.62 × 2,061.38
  4. Step 4: Simplify right side
    2,372x = 6,731,683.76
  5. Step 5: Solve for x
    x = 6,731,683.76/2,372
  6. Step 6: Final answer
    x = 2,837.98

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Why These Related Problems?

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