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Finding the Fourth Proportional to 11,794.95, 16,276.97 and 7,079.22

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Solution

The fourth proportional to 11,794.95, 16,276.97 and 7,079.22 is: 9,769.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,794.95 : 16,276.97 = 7,079.22 : x
  2. Step 2: Convert to fraction form
    11,794.95/16,276.97 = 7,079.22/x
  3. Step 3: Cross multiply
    11,794.95x = 16,276.97 × 7,079.22
  4. Step 4: Simplify right side
    11,794.95x = 115,228,269.26
  5. Step 5: Solve for x
    x = 115,228,269.26/11,794.95
  6. Step 6: Final answer
    x = 9,769.29

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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.