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Finding the Fourth Proportional to 57,257.74, 79,016.50 and 34,593.58

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Solution

The fourth proportional to 57,257.74, 79,016.50 and 34,593.58 is: 47,739.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,257.74 : 79,016.50 = 34,593.58 : x
  2. Step 2: Convert to fraction form
    57,257.74/79,016.50 = 34,593.58/x
  3. Step 3: Cross multiply
    57,257.74x = 79,016.50 × 34,593.58
  4. Step 4: Simplify right side
    57,257.74x = 2,733,463,614.07
  5. Step 5: Solve for x
    x = 2,733,463,614.07/57,257.74
  6. Step 6: Final answer
    x = 47,739.64

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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.