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Finding the Fourth Proportional to 73,969.36, 101,997.44 and 47,077.46

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Solution

The fourth proportional to 73,969.36, 101,997.44 and 47,077.46 is: 64,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,969.36 : 101,997.44 = 47,077.46 : x
  2. Step 2: Convert to fraction form
    73,969.36/101,997.44 = 47,077.46/x
  3. Step 3: Cross multiply
    73,969.36x = 101,997.44 × 47,077.46
  4. Step 4: Simplify right side
    73,969.36x = 4,801,780,401.70
  5. Step 5: Solve for x
    x = 4,801,780,401.70/73,969.36
  6. Step 6: Final answer
    x = 64,915.80

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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.