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Finding the Fourth Proportional to 16,231.20, 24,357.60 and 7,461.60

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Solution

The fourth proportional to 16,231.20, 24,357.60 and 7,461.60 is: 11,197.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,231.20 : 24,357.60 = 7,461.60 : x
  2. Step 2: Convert to fraction form
    16,231.20/24,357.60 = 7,461.60/x
  3. Step 3: Cross multiply
    16,231.20x = 24,357.60 × 7,461.60
  4. Step 4: Simplify right side
    16,231.20x = 181,746,668.16
  5. Step 5: Solve for x
    x = 181,746,668.16/16,231.20
  6. Step 6: Final answer
    x = 11,197.36

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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.