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Finding the Fourth Proportional to 57,743.60, 79,683.88 and 36,244.80

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Solution

The fourth proportional to 57,743.60, 79,683.88 and 36,244.80 is: 50,016.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,743.60 : 79,683.88 = 36,244.80 : x
  2. Step 2: Convert to fraction form
    57,743.60/79,683.88 = 36,244.80/x
  3. Step 3: Cross multiply
    57,743.60x = 79,683.88 × 36,244.80
  4. Step 4: Simplify right side
    57,743.60x = 2,888,126,293.82
  5. Step 5: Solve for x
    x = 2,888,126,293.82/57,743.60
  6. Step 6: Final answer
    x = 50,016.39

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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.