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Finding the Fourth Proportional to 6,610.26, 9,918.87 and 2,915.03

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Solution

The fourth proportional to 6,610.26, 9,918.87 and 2,915.03 is: 4,374.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.26 : 9,918.87 = 2,915.03 : x
  2. Step 2: Convert to fraction form
    6,610.26/9,918.87 = 2,915.03/x
  3. Step 3: Cross multiply
    6,610.26x = 9,918.87 × 2,915.03
  4. Step 4: Simplify right side
    6,610.26x = 28,913,754.02
  5. Step 5: Solve for x
    x = 28,913,754.02/6,610.26
  6. Step 6: Final answer
    x = 4,374.07

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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.