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Finding the Fourth Proportional to 8,792.99, 13,179.88 and 3,241.65

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Solution

The fourth proportional to 8,792.99, 13,179.88 and 3,241.65 is: 4,858.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.99 : 13,179.88 = 3,241.65 : x
  2. Step 2: Convert to fraction form
    8,792.99/13,179.88 = 3,241.65/x
  3. Step 3: Cross multiply
    8,792.99x = 13,179.88 × 3,241.65
  4. Step 4: Simplify right side
    8,792.99x = 42,724,541.79
  5. Step 5: Solve for x
    x = 42,724,541.79/8,792.99
  6. Step 6: Final answer
    x = 4,858.93

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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.