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Finding the Fourth Proportional to 50,052.70, 69,065.92 and 29,905.32

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Solution

The fourth proportional to 50,052.70, 69,065.92 and 29,905.32 is: 41,265.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,052.70 : 69,065.92 = 29,905.32 : x
  2. Step 2: Convert to fraction form
    50,052.70/69,065.92 = 29,905.32/x
  3. Step 3: Cross multiply
    50,052.70x = 69,065.92 × 29,905.32
  4. Step 4: Simplify right side
    50,052.70x = 2,065,438,178.36
  5. Step 5: Solve for x
    x = 2,065,438,178.36/50,052.70
  6. Step 6: Final answer
    x = 41,265.27

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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.