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Finding the Fourth Proportional to 57,365.88, 85,989.64 and 41,531.60

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Solution

The fourth proportional to 57,365.88, 85,989.64 and 41,531.60 is: 62,254.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,365.88 : 85,989.64 = 41,531.60 : x
  2. Step 2: Convert to fraction form
    57,365.88/85,989.64 = 41,531.60/x
  3. Step 3: Cross multiply
    57,365.88x = 85,989.64 × 41,531.60
  4. Step 4: Simplify right side
    57,365.88x = 3,571,287,332.62
  5. Step 5: Solve for x
    x = 3,571,287,332.62/57,365.88
  6. Step 6: Final answer
    x = 62,254.56

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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.