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Finding the Fourth Proportional to 8,019.84, 11,067.40 and 4,483.89

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Solution

The fourth proportional to 8,019.84, 11,067.40 and 4,483.89 is: 6,187.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019.84 : 11,067.40 = 4,483.89 : x
  2. Step 2: Convert to fraction form
    8,019.84/11,067.40 = 4,483.89/x
  3. Step 3: Cross multiply
    8,019.84x = 11,067.40 × 4,483.89
  4. Step 4: Simplify right side
    8,019.84x = 49,625,009.79
  5. Step 5: Solve for x
    x = 49,625,009.79/8,019.84
  6. Step 6: Final answer
    x = 6,187.78

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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.