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Finding the Fourth Proportional to 8,496.62, 12,732.60 and 4,790.94

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Solution

The fourth proportional to 8,496.62, 12,732.60 and 4,790.94 is: 7,179.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,496.62 : 12,732.60 = 4,790.94 : x
  2. Step 2: Convert to fraction form
    8,496.62/12,732.60 = 4,790.94/x
  3. Step 3: Cross multiply
    8,496.62x = 12,732.60 × 4,790.94
  4. Step 4: Simplify right side
    8,496.62x = 61,001,122.64
  5. Step 5: Solve for x
    x = 61,001,122.64/8,496.62
  6. Step 6: Final answer
    x = 7,179.46

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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.