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Finding the Fourth Proportional to 49,709.70, 74,564.55 and 33,963.30

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Solution

The fourth proportional to 49,709.70, 74,564.55 and 33,963.30 is: 50,944.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,709.70 : 74,564.55 = 33,963.30 : x
  2. Step 2: Convert to fraction form
    49,709.70/74,564.55 = 33,963.30/x
  3. Step 3: Cross multiply
    49,709.70x = 74,564.55 × 33,963.30
  4. Step 4: Simplify right side
    49,709.70x = 2,532,458,181.02
  5. Step 5: Solve for x
    x = 2,532,458,181.02/49,709.70
  6. Step 6: Final answer
    x = 50,944.95

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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.