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Finding the Fourth Proportional to 57,155.43, 85,788.51 and 27,594.03

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Solution

The fourth proportional to 57,155.43, 85,788.51 and 27,594.03 is: 41,417.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,155.43 : 85,788.51 = 27,594.03 : x
  2. Step 2: Convert to fraction form
    57,155.43/85,788.51 = 27,594.03/x
  3. Step 3: Cross multiply
    57,155.43x = 85,788.51 × 27,594.03
  4. Step 4: Simplify right side
    57,155.43x = 2,367,250,718.60
  5. Step 5: Solve for x
    x = 2,367,250,718.60/57,155.43
  6. Step 6: Final answer
    x = 41,417.77

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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.