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Finding the Fourth Proportional to 8,810.81, 13,216.22 and 2,967.42

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Solution

The fourth proportional to 8,810.81, 13,216.22 and 2,967.42 is: 4,451.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.81 : 13,216.22 = 2,967.42 : x
  2. Step 2: Convert to fraction form
    8,810.81/13,216.22 = 2,967.42/x
  3. Step 3: Cross multiply
    8,810.81x = 13,216.22 × 2,967.42
  4. Step 4: Simplify right side
    8,810.81x = 39,218,060.72
  5. Step 5: Solve for x
    x = 39,218,060.72/8,810.81
  6. Step 6: Final answer
    x = 4,451.13

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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.