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Finding the Fourth Proportional to 64,385.97, 96,559.31 and 44,523.15

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Solution

The fourth proportional to 64,385.97, 96,559.31 and 44,523.15 is: 66,771.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,385.97 : 96,559.31 = 44,523.15 : x
  2. Step 2: Convert to fraction form
    64,385.97/96,559.31 = 44,523.15/x
  3. Step 3: Cross multiply
    64,385.97x = 96,559.31 × 44,523.15
  4. Step 4: Simplify right side
    64,385.97x = 4,299,124,420.41
  5. Step 5: Solve for x
    x = 4,299,124,420.41/64,385.97
  6. Step 6: Final answer
    x = 66,771.14

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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.