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Finding the Fourth Proportional to 38,600.59, 57,911.82 and 19,894.27

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Solution

The fourth proportional to 38,600.59, 57,911.82 and 19,894.27 is: 29,847.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,600.59 : 57,911.82 = 19,894.27 : x
  2. Step 2: Convert to fraction form
    38,600.59/57,911.82 = 19,894.27/x
  3. Step 3: Cross multiply
    38,600.59x = 57,911.82 × 19,894.27
  4. Step 4: Simplify right side
    38,600.59x = 1,152,113,383.27
  5. Step 5: Solve for x
    x = 1,152,113,383.27/38,600.59
  6. Step 6: Final answer
    x = 29,847.04

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1.5x scale

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.