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Finding the Fourth Proportional to 73,463.36, 101,379.42 and 39,929.36

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Solution

The fourth proportional to 73,463.36, 101,379.42 and 39,929.36 is: 55,102.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,463.36 : 101,379.42 = 39,929.36 : x
  2. Step 2: Convert to fraction form
    73,463.36/101,379.42 = 39,929.36/x
  3. Step 3: Cross multiply
    73,463.36x = 101,379.42 × 39,929.36
  4. Step 4: Simplify right side
    73,463.36x = 4,048,014,850.87
  5. Step 5: Solve for x
    x = 4,048,014,850.87/73,463.36
  6. Step 6: Final answer
    x = 55,102.50

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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.