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Finding the Fourth Proportional to 6,718.82, 10,056.60 and 3,591

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Solution

The fourth proportional to 6,718.82, 10,056.60 and 3,591 is: 5,374.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.82 : 10,056.60 = 3,591 : x
  2. Step 2: Convert to fraction form
    6,718.82/10,056.60 = 3,591/x
  3. Step 3: Cross multiply
    6,718.82x = 10,056.60 × 3,591
  4. Step 4: Simplify right side
    6,718.82x = 36,113,250.60
  5. Step 5: Solve for x
    x = 36,113,250.60/6,718.82
  6. Step 6: Final answer
    x = 5,374.94

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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.