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Finding the Fourth Proportional to 8,615.07, 12,922.92 and 2,375.58

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Solution

The fourth proportional to 8,615.07, 12,922.92 and 2,375.58 is: 3,563.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,615.07 : 12,922.92 = 2,375.58 : x
  2. Step 2: Convert to fraction form
    8,615.07/12,922.92 = 2,375.58/x
  3. Step 3: Cross multiply
    8,615.07x = 12,922.92 × 2,375.58
  4. Step 4: Simplify right side
    8,615.07x = 30,699,430.29
  5. Step 5: Solve for x
    x = 30,699,430.29/8,615.07
  6. Step 6: Final answer
    x = 3,563.46

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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.