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Finding the Fourth Proportional to 43,743.20, 60,365.60 and 23,871.20

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Solution

The fourth proportional to 43,743.20, 60,365.60 and 23,871.20 is: 32,942.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,743.20 : 60,365.60 = 23,871.20 : x
  2. Step 2: Convert to fraction form
    43,743.20/60,365.60 = 23,871.20/x
  3. Step 3: Cross multiply
    43,743.20x = 60,365.60 × 23,871.20
  4. Step 4: Simplify right side
    43,743.20x = 1,440,999,310.72
  5. Step 5: Solve for x
    x = 1,440,999,310.72/43,743.20
  6. Step 6: Final answer
    x = 32,942.25

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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.