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Finding the Fourth Proportional to 8,608.95, 12,913.83 and 3,062.34

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Solution

The fourth proportional to 8,608.95, 12,913.83 and 3,062.34 is: 4,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,608.95 : 12,913.83 = 3,062.34 : x
  2. Step 2: Convert to fraction form
    8,608.95/12,913.83 = 3,062.34/x
  3. Step 3: Cross multiply
    8,608.95x = 12,913.83 × 3,062.34
  4. Step 4: Simplify right side
    8,608.95x = 39,546,538.16
  5. Step 5: Solve for x
    x = 39,546,538.16/8,608.95
  6. Step 6: Final answer
    x = 4,593.65

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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.