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Finding the Fourth Proportional to 8,849.02, 12,212.20 and 4,871.02

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Solution

The fourth proportional to 8,849.02, 12,212.20 and 4,871.02 is: 6,722.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.02 : 12,212.20 = 4,871.02 : x
  2. Step 2: Convert to fraction form
    8,849.02/12,212.20 = 4,871.02/x
  3. Step 3: Cross multiply
    8,849.02x = 12,212.20 × 4,871.02
  4. Step 4: Simplify right side
    8,849.02x = 59,485,870.44
  5. Step 5: Solve for x
    x = 59,485,870.44/8,849.02
  6. Step 6: Final answer
    x = 6,722.31

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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.