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Finding the Fourth Proportional to 6,258.72, 8,628 and 5,003.52

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Solution

The fourth proportional to 6,258.72, 8,628 and 5,003.52 is: 6,897.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,258.72 : 8,628 = 5,003.52 : x
  2. Step 2: Convert to fraction form
    6,258.72/8,628 = 5,003.52/x
  3. Step 3: Cross multiply
    6,258.72x = 8,628 × 5,003.52
  4. Step 4: Simplify right side
    6,258.72x = 43,170,370.56
  5. Step 5: Solve for x
    x = 43,170,370.56/6,258.72
  6. Step 6: Final answer
    x = 6,897.64

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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.