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Finding the Fourth Proportional to 5,630.03, 7,764.28 and 3,388.02

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Solution

The fourth proportional to 5,630.03, 7,764.28 and 3,388.02 is: 4,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.03 : 7,764.28 = 3,388.02 : x
  2. Step 2: Convert to fraction form
    5,630.03/7,764.28 = 3,388.02/x
  3. Step 3: Cross multiply
    5,630.03x = 7,764.28 × 3,388.02
  4. Step 4: Simplify right side
    5,630.03x = 26,305,480.16
  5. Step 5: Solve for x
    x = 26,305,480.16/5,630.03
  6. Step 6: Final answer
    x = 4,672.35

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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.