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Finding the Fourth Proportional to 69,358.68, 103,996.28 and 33,749.72

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Solution

The fourth proportional to 69,358.68, 103,996.28 and 33,749.72 is: 50,604.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,358.68 : 103,996.28 = 33,749.72 : x
  2. Step 2: Convert to fraction form
    69,358.68/103,996.28 = 33,749.72/x
  3. Step 3: Cross multiply
    69,358.68x = 103,996.28 × 33,749.72
  4. Step 4: Simplify right side
    69,358.68x = 3,509,845,331.04
  5. Step 5: Solve for x
    x = 3,509,845,331.04/69,358.68
  6. Step 6: Final answer
    x = 50,604.27

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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.