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Finding the Fourth Proportional to 48,495.92, 66,908.76 and 29,369.60

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Solution

The fourth proportional to 48,495.92, 66,908.76 and 29,369.60 is: 40,520.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,495.92 : 66,908.76 = 29,369.60 : x
  2. Step 2: Convert to fraction form
    48,495.92/66,908.76 = 29,369.60/x
  3. Step 3: Cross multiply
    48,495.92x = 66,908.76 × 29,369.60
  4. Step 4: Simplify right side
    48,495.92x = 1,965,083,517.70
  5. Step 5: Solve for x
    x = 1,965,083,517.70/48,495.92
  6. Step 6: Final answer
    x = 40,520.59

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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.