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Finding the Fourth Proportional to 5,003.72, 6,905.08 and 2,765.58

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Solution

The fourth proportional to 5,003.72, 6,905.08 and 2,765.58 is: 3,816.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.72 : 6,905.08 = 2,765.58 : x
  2. Step 2: Convert to fraction form
    5,003.72/6,905.08 = 2,765.58/x
  3. Step 3: Cross multiply
    5,003.72x = 6,905.08 × 2,765.58
  4. Step 4: Simplify right side
    5,003.72x = 19,096,551.15
  5. Step 5: Solve for x
    x = 19,096,551.15/5,003.72
  6. Step 6: Final answer
    x = 3,816.47

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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.