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Finding the Fourth Proportional to 8,610.48, 12,922.14 and 3,346.32

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Solution

The fourth proportional to 8,610.48, 12,922.14 and 3,346.32 is: 5,021.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610.48 : 12,922.14 = 3,346.32 : x
  2. Step 2: Convert to fraction form
    8,610.48/12,922.14 = 3,346.32/x
  3. Step 3: Cross multiply
    8,610.48x = 12,922.14 × 3,346.32
  4. Step 4: Simplify right side
    8,610.48x = 43,241,615.52
  5. Step 5: Solve for x
    x = 43,241,615.52/8,610.48
  6. Step 6: Final answer
    x = 5,021.98

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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.