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Finding the Fourth Proportional to 4,398.76, 6,602.82 and 3,933.64

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Solution

The fourth proportional to 4,398.76, 6,602.82 and 3,933.64 is: 5,904.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,398.76 : 6,602.82 = 3,933.64 : x
  2. Step 2: Convert to fraction form
    4,398.76/6,602.82 = 3,933.64/x
  3. Step 3: Cross multiply
    4,398.76x = 6,602.82 × 3,933.64
  4. Step 4: Simplify right side
    4,398.76x = 25,973,116.86
  5. Step 5: Solve for x
    x = 25,973,116.86/4,398.76
  6. Step 6: Final answer
    x = 5,904.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.