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Finding the Fourth Proportional to 8,725.42, 12,048.35 and 8,092.26

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Solution

The fourth proportional to 8,725.42, 12,048.35 and 8,092.26 is: 11,174.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.42 : 12,048.35 = 8,092.26 : x
  2. Step 2: Convert to fraction form
    8,725.42/12,048.35 = 8,092.26/x
  3. Step 3: Cross multiply
    8,725.42x = 12,048.35 × 8,092.26
  4. Step 4: Simplify right side
    8,725.42x = 97,498,408.59
  5. Step 5: Solve for x
    x = 97,498,408.59/8,725.42
  6. Step 6: Final answer
    x = 11,174.06

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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.