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Finding the Fourth Proportional to 10,447.60, 15,672.39 and 3,052.12

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Solution

The fourth proportional to 10,447.60, 15,672.39 and 3,052.12 is: 4,578.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.60 : 15,672.39 = 3,052.12 : x
  2. Step 2: Convert to fraction form
    10,447.60/15,672.39 = 3,052.12/x
  3. Step 3: Cross multiply
    10,447.60x = 15,672.39 × 3,052.12
  4. Step 4: Simplify right side
    10,447.60x = 47,833,936.60
  5. Step 5: Solve for x
    x = 47,833,936.60/10,447.60
  6. Step 6: Final answer
    x = 4,578.46

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