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Finding the Fourth Proportional to 6,615.15, 9,927.52 and 2,455.75

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Solution

The fourth proportional to 6,615.15, 9,927.52 and 2,455.75 is: 3,685.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,615.15 : 9,927.52 = 2,455.75 : x
  2. Step 2: Convert to fraction form
    6,615.15/9,927.52 = 2,455.75/x
  3. Step 3: Cross multiply
    6,615.15x = 9,927.52 × 2,455.75
  4. Step 4: Simplify right side
    6,615.15x = 24,379,507.24
  5. Step 5: Solve for x
    x = 24,379,507.24/6,615.15
  6. Step 6: Final answer
    x = 3,685.41

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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.