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Finding the Fourth Proportional to 57,093.74, 85,648.80 and 17,653.92

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Solution

The fourth proportional to 57,093.74, 85,648.80 and 17,653.92 is: 26,483.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,093.74 : 85,648.80 = 17,653.92 : x
  2. Step 2: Convert to fraction form
    57,093.74/85,648.80 = 17,653.92/x
  3. Step 3: Cross multiply
    57,093.74x = 85,648.80 × 17,653.92
  4. Step 4: Simplify right side
    57,093.74x = 1,512,037,063.30
  5. Step 5: Solve for x
    x = 1,512,037,063.30/57,093.74
  6. Step 6: Final answer
    x = 26,483.41

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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.