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Finding the Fourth Proportional to 8,548.80, 11,797.80 and 5,012.28

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Solution

The fourth proportional to 8,548.80, 11,797.80 and 5,012.28 is: 6,917.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.80 : 11,797.80 = 5,012.28 : x
  2. Step 2: Convert to fraction form
    8,548.80/11,797.80 = 5,012.28/x
  3. Step 3: Cross multiply
    8,548.80x = 11,797.80 × 5,012.28
  4. Step 4: Simplify right side
    8,548.80x = 59,133,876.98
  5. Step 5: Solve for x
    x = 59,133,876.98/8,548.80
  6. Step 6: Final answer
    x = 6,917.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.