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Finding the Fourth Proportional to 73,355.82, 101,231.55 and 39,821.82

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Solution

The fourth proportional to 73,355.82, 101,231.55 and 39,821.82 is: 54,954.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,355.82 : 101,231.55 = 39,821.82 : x
  2. Step 2: Convert to fraction form
    73,355.82/101,231.55 = 39,821.82/x
  3. Step 3: Cross multiply
    73,355.82x = 101,231.55 × 39,821.82
  4. Step 4: Simplify right side
    73,355.82x = 4,031,224,562.42
  5. Step 5: Solve for x
    x = 4,031,224,562.42/73,355.82
  6. Step 6: Final answer
    x = 54,954.39

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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.