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Finding the Fourth Proportional to 60,770.25, 91,148.49 and 16,394.40

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Solution

The fourth proportional to 60,770.25, 91,148.49 and 16,394.40 is: 24,589.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,770.25 : 91,148.49 = 16,394.40 : x
  2. Step 2: Convert to fraction form
    60,770.25/91,148.49 = 16,394.40/x
  3. Step 3: Cross multiply
    60,770.25x = 91,148.49 × 16,394.40
  4. Step 4: Simplify right side
    60,770.25x = 1,494,324,804.46
  5. Step 5: Solve for x
    x = 1,494,324,804.46/60,770.25
  6. Step 6: Final answer
    x = 24,589.74

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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.