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Finding the Fourth Proportional to 8,791.70, 13,178.44 and 5,497.23

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Solution

The fourth proportional to 8,791.70, 13,178.44 and 5,497.23 is: 8,240.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.70 : 13,178.44 = 5,497.23 : x
  2. Step 2: Convert to fraction form
    8,791.70/13,178.44 = 5,497.23/x
  3. Step 3: Cross multiply
    8,791.70x = 13,178.44 × 5,497.23
  4. Step 4: Simplify right side
    8,791.70x = 72,444,901.98
  5. Step 5: Solve for x
    x = 72,444,901.98/8,791.70
  6. Step 6: Final answer
    x = 8,240.14

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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.