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Finding the Fourth Proportional to 13,152.20, 19,706.40 and 9,248.44

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Solution

The fourth proportional to 13,152.20, 19,706.40 and 9,248.44 is: 13,857.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152.20 : 19,706.40 = 9,248.44 : x
  2. Step 2: Convert to fraction form
    13,152.20/19,706.40 = 9,248.44/x
  3. Step 3: Cross multiply
    13,152.20x = 19,706.40 × 9,248.44
  4. Step 4: Simplify right side
    13,152.20x = 182,253,458.02
  5. Step 5: Solve for x
    x = 182,253,458.02/13,152.20
  6. Step 6: Final answer
    x = 13,857.26

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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.