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Finding the Fourth Proportional to 5,003.64, 6,905.16 and 2,765.55

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Solution

The fourth proportional to 5,003.64, 6,905.16 and 2,765.55 is: 3,816.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.64 : 6,905.16 = 2,765.55 : x
  2. Step 2: Convert to fraction form
    5,003.64/6,905.16 = 2,765.55/x
  3. Step 3: Cross multiply
    5,003.64x = 6,905.16 × 2,765.55
  4. Step 4: Simplify right side
    5,003.64x = 19,096,583.35
  5. Step 5: Solve for x
    x = 19,096,583.35/5,003.64
  6. Step 6: Final answer
    x = 3,816.54

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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.