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Finding the Fourth Proportional to 69,967.37, 96,557.60 and 39,757.84

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Solution

The fourth proportional to 69,967.37, 96,557.60 and 39,757.84 is: 54,867.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,967.37 : 96,557.60 = 39,757.84 : x
  2. Step 2: Convert to fraction form
    69,967.37/96,557.60 = 39,757.84/x
  3. Step 3: Cross multiply
    69,967.37x = 96,557.60 × 39,757.84
  4. Step 4: Simplify right side
    69,967.37x = 3,838,921,611.58
  5. Step 5: Solve for x
    x = 3,838,921,611.58/69,967.37
  6. Step 6: Final answer
    x = 54,867.31

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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.