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Finding the Fourth Proportional to 71,848.32, 107,772.39 and 33,888.73

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Solution

The fourth proportional to 71,848.32, 107,772.39 and 33,888.73 is: 50,833.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,848.32 : 107,772.39 = 33,888.73 : x
  2. Step 2: Convert to fraction form
    71,848.32/107,772.39 = 33,888.73/x
  3. Step 3: Cross multiply
    71,848.32x = 107,772.39 × 33,888.73
  4. Step 4: Simplify right side
    71,848.32x = 3,652,269,426.16
  5. Step 5: Solve for x
    x = 3,652,269,426.16/71,848.32
  6. Step 6: Final answer
    x = 50,833.05

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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.