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Finding the Fourth Proportional to 8,019.50, 11,067.18 and 4,483.76

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Solution

The fourth proportional to 8,019.50, 11,067.18 and 4,483.76 is: 6,187.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019.50 : 11,067.18 = 4,483.76 : x
  2. Step 2: Convert to fraction form
    8,019.50/11,067.18 = 4,483.76/x
  3. Step 3: Cross multiply
    8,019.50x = 11,067.18 × 4,483.76
  4. Step 4: Simplify right side
    8,019.50x = 49,622,579.00
  5. Step 5: Solve for x
    x = 49,622,579.00/8,019.50
  6. Step 6: Final answer
    x = 6,187.74

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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.