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Finding the Fourth Proportional to 73,473.39, 101,393.34 and 39,939.39

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Solution

The fourth proportional to 73,473.39, 101,393.34 and 39,939.39 is: 55,116.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,473.39 : 101,393.34 = 39,939.39 : x
  2. Step 2: Convert to fraction form
    73,473.39/101,393.34 = 39,939.39/x
  3. Step 3: Cross multiply
    73,473.39x = 101,393.34 × 39,939.39
  4. Step 4: Simplify right side
    73,473.39x = 4,049,588,149.66
  5. Step 5: Solve for x
    x = 4,049,588,149.66/73,473.39
  6. Step 6: Final answer
    x = 55,116.39

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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.