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Finding the Fourth Proportional to 6,322, 8,695.20 and 5,534.68

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Solution

The fourth proportional to 6,322, 8,695.20 and 5,534.68 is: 7,612.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,322 : 8,695.20 = 5,534.68 : x
  2. Step 2: Convert to fraction form
    6,322/8,695.20 = 5,534.68/x
  3. Step 3: Cross multiply
    6,322x = 8,695.20 × 5,534.68
  4. Step 4: Simplify right side
    6,322x = 48,125,149.54
  5. Step 5: Solve for x
    x = 48,125,149.54/6,322
  6. Step 6: Final answer
    x = 7,612.33

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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.