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Finding the Fourth Proportional to 7,410.61, 11,110.11 and 3,710.98

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Solution

The fourth proportional to 7,410.61, 11,110.11 and 3,710.98 is: 5,563.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.61 : 11,110.11 = 3,710.98 : x
  2. Step 2: Convert to fraction form
    7,410.61/11,110.11 = 3,710.98/x
  3. Step 3: Cross multiply
    7,410.61x = 11,110.11 × 3,710.98
  4. Step 4: Simplify right side
    7,410.61x = 41,229,396.01
  5. Step 5: Solve for x
    x = 41,229,396.01/7,410.61
  6. Step 6: Final answer
    x = 5,563.56

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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.