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Finding the Fourth Proportional to 64,997.37, 97,509.69 and 36,930.42

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Solution

The fourth proportional to 64,997.37, 97,509.69 and 36,930.42 is: 55,403.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,997.37 : 97,509.69 = 36,930.42 : x
  2. Step 2: Convert to fraction form
    64,997.37/97,509.69 = 36,930.42/x
  3. Step 3: Cross multiply
    64,997.37x = 97,509.69 × 36,930.42
  4. Step 4: Simplify right side
    64,997.37x = 3,601,073,805.77
  5. Step 5: Solve for x
    x = 3,601,073,805.77/64,997.37
  6. Step 6: Final answer
    x = 55,403.38

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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.