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Finding the Fourth Proportional to 57,917, 79,925.54 and 32,765.96

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Solution

The fourth proportional to 57,917, 79,925.54 and 32,765.96 is: 45,217.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,917 : 79,925.54 = 32,765.96 : x
  2. Step 2: Convert to fraction form
    57,917/79,925.54 = 32,765.96/x
  3. Step 3: Cross multiply
    57,917x = 79,925.54 × 32,765.96
  4. Step 4: Simplify right side
    57,917x = 2,618,837,046.62
  5. Step 5: Solve for x
    x = 2,618,837,046.62/57,917
  6. Step 6: Final answer
    x = 45,217.07

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1.5x scale

Why These Related Problems?

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