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Finding the Fourth Proportional to 8,027.24, 12,040.86 and 3,407

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Solution

The fourth proportional to 8,027.24, 12,040.86 and 3,407 is: 5,110.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,027.24 : 12,040.86 = 3,407 : x
  2. Step 2: Convert to fraction form
    8,027.24/12,040.86 = 3,407/x
  3. Step 3: Cross multiply
    8,027.24x = 12,040.86 × 3,407
  4. Step 4: Simplify right side
    8,027.24x = 41,023,210.02
  5. Step 5: Solve for x
    x = 41,023,210.02/8,027.24
  6. Step 6: Final answer
    x = 5,110.50

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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.