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Finding the Fourth Proportional to 8,066.87, 12,100.26 and 5,292.87

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Solution

The fourth proportional to 8,066.87, 12,100.26 and 5,292.87 is: 7,939.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066.87 : 12,100.26 = 5,292.87 : x
  2. Step 2: Convert to fraction form
    8,066.87/12,100.26 = 5,292.87/x
  3. Step 3: Cross multiply
    8,066.87x = 12,100.26 × 5,292.87
  4. Step 4: Simplify right side
    8,066.87x = 64,045,103.15
  5. Step 5: Solve for x
    x = 64,045,103.15/8,066.87
  6. Step 6: Final answer
    x = 7,939.28

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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.