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Finding the Fourth Proportional to 7,419.32, 10,238.94 and 4,062.42

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Solution

The fourth proportional to 7,419.32, 10,238.94 and 4,062.42 is: 5,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.32 : 10,238.94 = 4,062.42 : x
  2. Step 2: Convert to fraction form
    7,419.32/10,238.94 = 4,062.42/x
  3. Step 3: Cross multiply
    7,419.32x = 10,238.94 × 4,062.42
  4. Step 4: Simplify right side
    7,419.32x = 41,594,874.63
  5. Step 5: Solve for x
    x = 41,594,874.63/7,419.32
  6. Step 6: Final answer
    x = 5,606.30

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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.