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Finding the Fourth Proportional to 4,396.71, 6,070.29 and 3,923.79

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Solution

The fourth proportional to 4,396.71, 6,070.29 and 3,923.79 is: 5,417.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,396.71 : 6,070.29 = 3,923.79 : x
  2. Step 2: Convert to fraction form
    4,396.71/6,070.29 = 3,923.79/x
  3. Step 3: Cross multiply
    4,396.71x = 6,070.29 × 3,923.79
  4. Step 4: Simplify right side
    4,396.71x = 23,818,505.72
  5. Step 5: Solve for x
    x = 23,818,505.72/4,396.71
  6. Step 6: Final answer
    x = 5,417.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.