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Finding the Fourth Proportional to 57,362.58, 86,059.06 and 19,922.56

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Solution

The fourth proportional to 57,362.58, 86,059.06 and 19,922.56 is: 29,889.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,362.58 : 86,059.06 = 19,922.56 : x
  2. Step 2: Convert to fraction form
    57,362.58/86,059.06 = 19,922.56/x
  3. Step 3: Cross multiply
    57,362.58x = 86,059.06 × 19,922.56
  4. Step 4: Simplify right side
    57,362.58x = 1,714,516,521.44
  5. Step 5: Solve for x
    x = 1,714,516,521.44/57,362.58
  6. Step 6: Final answer
    x = 29,889.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.