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Finding the Fourth Proportional to 70,601.76, 105,902.74 and 49,635.56

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Solution

The fourth proportional to 70,601.76, 105,902.74 and 49,635.56 is: 74,453.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,601.76 : 105,902.74 = 49,635.56 : x
  2. Step 2: Convert to fraction form
    70,601.76/105,902.74 = 49,635.56/x
  3. Step 3: Cross multiply
    70,601.76x = 105,902.74 × 49,635.56
  4. Step 4: Simplify right side
    70,601.76x = 5,256,541,805.43
  5. Step 5: Solve for x
    x = 5,256,541,805.43/70,601.76
  6. Step 6: Final answer
    x = 74,453.41

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1.5x scale

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.