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Finding the Fourth Proportional to 24,890.68, 37,341.94 and 7,121.60

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Solution

The fourth proportional to 24,890.68, 37,341.94 and 7,121.60 is: 10,684.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,890.68 : 37,341.94 = 7,121.60 : x
  2. Step 2: Convert to fraction form
    24,890.68/37,341.94 = 7,121.60/x
  3. Step 3: Cross multiply
    24,890.68x = 37,341.94 × 7,121.60
  4. Step 4: Simplify right side
    24,890.68x = 265,934,359.90
  5. Step 5: Solve for x
    x = 265,934,359.90/24,890.68
  6. Step 6: Final answer
    x = 10,684.09

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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.