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Finding the Fourth Proportional to 4,398.76, 6,066.75 and 3,406.72

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Solution

The fourth proportional to 4,398.76, 6,066.75 and 3,406.72 is: 4,698.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,398.76 : 6,066.75 = 3,406.72 : x
  2. Step 2: Convert to fraction form
    4,398.76/6,066.75 = 3,406.72/x
  3. Step 3: Cross multiply
    4,398.76x = 6,066.75 × 3,406.72
  4. Step 4: Simplify right side
    4,398.76x = 20,667,718.56
  5. Step 5: Solve for x
    x = 20,667,718.56/4,398.76
  6. Step 6: Final answer
    x = 4,698.53

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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.