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Finding the Fourth Proportional to 8,297.37, 12,440.07 and 3,910.50

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Solution

The fourth proportional to 8,297.37, 12,440.07 and 3,910.50 is: 5,862.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,297.37 : 12,440.07 = 3,910.50 : x
  2. Step 2: Convert to fraction form
    8,297.37/12,440.07 = 3,910.50/x
  3. Step 3: Cross multiply
    8,297.37x = 12,440.07 × 3,910.50
  4. Step 4: Simplify right side
    8,297.37x = 48,646,893.74
  5. Step 5: Solve for x
    x = 48,646,893.74/8,297.37
  6. Step 6: Final answer
    x = 5,862.93

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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.