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Finding the Fourth Proportional to 6,293.79, 8,685.29 and 3,422.46

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Solution

The fourth proportional to 6,293.79, 8,685.29 and 3,422.46 is: 4,722.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,293.79 : 8,685.29 = 3,422.46 : x
  2. Step 2: Convert to fraction form
    6,293.79/8,685.29 = 3,422.46/x
  3. Step 3: Cross multiply
    6,293.79x = 8,685.29 × 3,422.46
  4. Step 4: Simplify right side
    6,293.79x = 29,725,005.63
  5. Step 5: Solve for x
    x = 29,725,005.63/6,293.79
  6. Step 6: Final answer
    x = 4,722.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.