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Finding the Fourth Proportional to 25,121.88, 37,656.36 and 8,466.12

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Solution

The fourth proportional to 25,121.88, 37,656.36 and 8,466.12 is: 12,690.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,121.88 : 37,656.36 = 8,466.12 : x
  2. Step 2: Convert to fraction form
    25,121.88/37,656.36 = 8,466.12/x
  3. Step 3: Cross multiply
    25,121.88x = 37,656.36 × 8,466.12
  4. Step 4: Simplify right side
    25,121.88x = 318,803,262.52
  5. Step 5: Solve for x
    x = 318,803,262.52/25,121.88
  6. Step 6: Final answer
    x = 12,690.26

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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.