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Finding the Fourth Proportional to 8,608.76, 12,902.36 and 4,660.01

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Solution

The fourth proportional to 8,608.76, 12,902.36 and 4,660.01 is: 6,984.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,608.76 : 12,902.36 = 4,660.01 : x
  2. Step 2: Convert to fraction form
    8,608.76/12,902.36 = 4,660.01/x
  3. Step 3: Cross multiply
    8,608.76x = 12,902.36 × 4,660.01
  4. Step 4: Simplify right side
    8,608.76x = 60,125,103.32
  5. Step 5: Solve for x
    x = 60,125,103.32/8,608.76
  6. Step 6: Final answer
    x = 6,984.18

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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.