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Finding the Fourth Proportional to 4,693.72, 7,036.03 and 2,611.82

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Solution

The fourth proportional to 4,693.72, 7,036.03 and 2,611.82 is: 3,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,693.72 : 7,036.03 = 2,611.82 : x
  2. Step 2: Convert to fraction form
    4,693.72/7,036.03 = 2,611.82/x
  3. Step 3: Cross multiply
    4,693.72x = 7,036.03 × 2,611.82
  4. Step 4: Simplify right side
    4,693.72x = 18,376,843.87
  5. Step 5: Solve for x
    x = 18,376,843.87/4,693.72
  6. Step 6: Final answer
    x = 3,915.20

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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.