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Finding the Fourth Proportional to 64,793.71, 89,381.23 and 44,615.60

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Solution

The fourth proportional to 64,793.71, 89,381.23 and 44,615.60 is: 61,546.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,793.71 : 89,381.23 = 44,615.60 : x
  2. Step 2: Convert to fraction form
    64,793.71/89,381.23 = 44,615.60/x
  3. Step 3: Cross multiply
    64,793.71x = 89,381.23 × 44,615.60
  4. Step 4: Simplify right side
    64,793.71x = 3,987,797,205.19
  5. Step 5: Solve for x
    x = 3,987,797,205.19/64,793.71
  6. Step 6: Final answer
    x = 61,546.05

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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.