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Finding the Fourth Proportional to 6,251.83, 8,615.59 and 4,480.36

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Solution

The fourth proportional to 6,251.83, 8,615.59 and 4,480.36 is: 6,174.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.83 : 8,615.59 = 4,480.36 : x
  2. Step 2: Convert to fraction form
    6,251.83/8,615.59 = 4,480.36/x
  3. Step 3: Cross multiply
    6,251.83x = 8,615.59 × 4,480.36
  4. Step 4: Simplify right side
    6,251.83x = 38,600,944.81
  5. Step 5: Solve for x
    x = 38,600,944.81/6,251.83
  6. Step 6: Final answer
    x = 6,174.34

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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.