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Finding the Fourth Proportional to 57,998.18, 80,034.80 and 32,847.86

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Solution

The fourth proportional to 57,998.18, 80,034.80 and 32,847.86 is: 45,328.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,998.18 : 80,034.80 = 32,847.86 : x
  2. Step 2: Convert to fraction form
    57,998.18/80,034.80 = 32,847.86/x
  3. Step 3: Cross multiply
    57,998.18x = 80,034.80 × 32,847.86
  4. Step 4: Simplify right side
    57,998.18x = 2,628,971,905.53
  5. Step 5: Solve for x
    x = 2,628,971,905.53/57,998.18
  6. Step 6: Final answer
    x = 45,328.52

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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.