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Finding the Fourth Proportional to 8,713.31, 12,024.44 and 4,734.42

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Solution

The fourth proportional to 8,713.31, 12,024.44 and 4,734.42 is: 6,533.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.31 : 12,024.44 = 4,734.42 : x
  2. Step 2: Convert to fraction form
    8,713.31/12,024.44 = 4,734.42/x
  3. Step 3: Cross multiply
    8,713.31x = 12,024.44 × 4,734.42
  4. Step 4: Simplify right side
    8,713.31x = 56,928,725.55
  5. Step 5: Solve for x
    x = 56,928,725.55/8,713.31
  6. Step 6: Final answer
    x = 6,533.54

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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.