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Finding the Fourth Proportional to 8,710.91, 13,067.98 and 2,867.93

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Solution

The fourth proportional to 8,710.91, 13,067.98 and 2,867.93 is: 4,302.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.91 : 13,067.98 = 2,867.93 : x
  2. Step 2: Convert to fraction form
    8,710.91/13,067.98 = 2,867.93/x
  3. Step 3: Cross multiply
    8,710.91x = 13,067.98 × 2,867.93
  4. Step 4: Simplify right side
    8,710.91x = 37,477,979.37
  5. Step 5: Solve for x
    x = 37,477,979.37/8,710.91
  6. Step 6: Final answer
    x = 4,302.42

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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.