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Finding the Fourth Proportional to 48,770.76, 67,336.50 and 30,629.22

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Solution

The fourth proportional to 48,770.76, 67,336.50 and 30,629.22 is: 42,288.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,770.76 : 67,336.50 = 30,629.22 : x
  2. Step 2: Convert to fraction form
    48,770.76/67,336.50 = 30,629.22/x
  3. Step 3: Cross multiply
    48,770.76x = 67,336.50 × 30,629.22
  4. Step 4: Simplify right side
    48,770.76x = 2,062,464,472.53
  5. Step 5: Solve for x
    x = 2,062,464,472.53/48,770.76
  6. Step 6: Final answer
    x = 42,288.95

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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.