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Finding the Fourth Proportional to 73,394.82, 101,285.37 and 39,860.82

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Solution

The fourth proportional to 73,394.82, 101,285.37 and 39,860.82 is: 55,008.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,394.82 : 101,285.37 = 39,860.82 : x
  2. Step 2: Convert to fraction form
    73,394.82/101,285.37 = 39,860.82/x
  3. Step 3: Cross multiply
    73,394.82x = 101,285.37 × 39,860.82
  4. Step 4: Simplify right side
    73,394.82x = 4,037,317,902.20
  5. Step 5: Solve for x
    x = 4,037,317,902.20/73,394.82
  6. Step 6: Final answer
    x = 55,008.21

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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.