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Finding the Fourth Proportional to 37,099.80, 51,215.46 and 21,181.17

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Solution

The fourth proportional to 37,099.80, 51,215.46 and 21,181.17 is: 29,240.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,099.80 : 51,215.46 = 21,181.17 : x
  2. Step 2: Convert to fraction form
    37,099.80/51,215.46 = 21,181.17/x
  3. Step 3: Cross multiply
    37,099.80x = 51,215.46 × 21,181.17
  4. Step 4: Simplify right side
    37,099.80x = 1,084,803,477.52
  5. Step 5: Solve for x
    x = 1,084,803,477.52/37,099.80
  6. Step 6: Final answer
    x = 29,240.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.