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Finding the Fourth Proportional to 57,099.96, 85,649.55 and 44,630.48

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Solution

The fourth proportional to 57,099.96, 85,649.55 and 44,630.48 is: 66,945.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,099.96 : 85,649.55 = 44,630.48 : x
  2. Step 2: Convert to fraction form
    57,099.96/85,649.55 = 44,630.48/x
  3. Step 3: Cross multiply
    57,099.96x = 85,649.55 × 44,630.48
  4. Step 4: Simplify right side
    57,099.96x = 3,822,580,100.04
  5. Step 5: Solve for x
    x = 3,822,580,100.04/57,099.96
  6. Step 6: Final answer
    x = 66,945.41

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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.