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Finding the Fourth Proportional to 49,247.91, 68,420.94 and 48,657.42

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Solution

The fourth proportional to 49,247.91, 68,420.94 and 48,657.42 is: 67,600.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,247.91 : 68,420.94 = 48,657.42 : x
  2. Step 2: Convert to fraction form
    49,247.91/68,420.94 = 48,657.42/x
  3. Step 3: Cross multiply
    49,247.91x = 68,420.94 × 48,657.42
  4. Step 4: Simplify right side
    49,247.91x = 3,329,186,414.37
  5. Step 5: Solve for x
    x = 3,329,186,414.37/49,247.91
  6. Step 6: Final answer
    x = 67,600.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.