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Finding the Fourth Proportional to 14,181.74, 21,232.60 and 7,503.12

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Solution

The fourth proportional to 14,181.74, 21,232.60 and 7,503.12 is: 11,233.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.74 : 21,232.60 = 7,503.12 : x
  2. Step 2: Convert to fraction form
    14,181.74/21,232.60 = 7,503.12/x
  3. Step 3: Cross multiply
    14,181.74x = 21,232.60 × 7,503.12
  4. Step 4: Simplify right side
    14,181.74x = 159,310,745.71
  5. Step 5: Solve for x
    x = 159,310,745.71/14,181.74
  6. Step 6: Final answer
    x = 11,233.51

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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.