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Finding the Fourth Proportional to 8,796.87, 13,203.81 and 7,173.09

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Solution

The fourth proportional to 8,796.87, 13,203.81 and 7,173.09 is: 10,766.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796.87 : 13,203.81 = 7,173.09 : x
  2. Step 2: Convert to fraction form
    8,796.87/13,203.81 = 7,173.09/x
  3. Step 3: Cross multiply
    8,796.87x = 13,203.81 × 7,173.09
  4. Step 4: Simplify right side
    8,796.87x = 94,712,117.47
  5. Step 5: Solve for x
    x = 94,712,117.47/8,796.87
  6. Step 6: Final answer
    x = 10,766.57

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1.5x scale

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.