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Finding the Fourth Proportional to 6,335.72, 8,743.44 and 3,683.60

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Solution

The fourth proportional to 6,335.72, 8,743.44 and 3,683.60 is: 5,083.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,335.72 : 8,743.44 = 3,683.60 : x
  2. Step 2: Convert to fraction form
    6,335.72/8,743.44 = 3,683.60/x
  3. Step 3: Cross multiply
    6,335.72x = 8,743.44 × 3,683.60
  4. Step 4: Simplify right side
    6,335.72x = 32,207,335.58
  5. Step 5: Solve for x
    x = 32,207,335.58/6,335.72
  6. Step 6: Final answer
    x = 5,083.45

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1.5x scale

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.