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Finding the Fourth Proportional to 6,331.60, 8,737.60 and 3,537.10

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Solution

The fourth proportional to 6,331.60, 8,737.60 and 3,537.10 is: 4,881.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331.60 : 8,737.60 = 3,537.10 : x
  2. Step 2: Convert to fraction form
    6,331.60/8,737.60 = 3,537.10/x
  3. Step 3: Cross multiply
    6,331.60x = 8,737.60 × 3,537.10
  4. Step 4: Simplify right side
    6,331.60x = 30,905,764.96
  5. Step 5: Solve for x
    x = 30,905,764.96/6,331.60
  6. Step 6: Final answer
    x = 4,881.19

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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.