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Finding the Fourth Proportional to 3,538.02, 5,307 and 3,013.14

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Solution

The fourth proportional to 3,538.02, 5,307 and 3,013.14 is: 4,519.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.02 : 5,307 = 3,013.14 : x
  2. Step 2: Convert to fraction form
    3,538.02/5,307 = 3,013.14/x
  3. Step 3: Cross multiply
    3,538.02x = 5,307 × 3,013.14
  4. Step 4: Simplify right side
    3,538.02x = 15,990,733.98
  5. Step 5: Solve for x
    x = 15,990,733.98/3,538.02
  6. Step 6: Final answer
    x = 4,519.68

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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.