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Finding the Fourth Proportional to 25,223.99, 37,827.11 and 7,449.90

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Solution

The fourth proportional to 25,223.99, 37,827.11 and 7,449.90 is: 11,172.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,223.99 : 37,827.11 = 7,449.90 : x
  2. Step 2: Convert to fraction form
    25,223.99/37,827.11 = 7,449.90/x
  3. Step 3: Cross multiply
    25,223.99x = 37,827.11 × 7,449.90
  4. Step 4: Simplify right side
    25,223.99x = 281,808,149.54
  5. Step 5: Solve for x
    x = 281,808,149.54/25,223.99
  6. Step 6: Final answer
    x = 11,172.23

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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.