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Finding the Fourth Proportional to 57,646.86, 86,524.20 and 35,503.44

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Solution

The fourth proportional to 57,646.86, 86,524.20 and 35,503.44 is: 53,288.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,646.86 : 86,524.20 = 35,503.44 : x
  2. Step 2: Convert to fraction form
    57,646.86/86,524.20 = 35,503.44/x
  3. Step 3: Cross multiply
    57,646.86x = 86,524.20 × 35,503.44
  4. Step 4: Simplify right side
    57,646.86x = 3,071,906,743.25
  5. Step 5: Solve for x
    x = 3,071,906,743.25/57,646.86
  6. Step 6: Final answer
    x = 53,288.36

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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.