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Finding the Fourth Proportional to 73,342.54, 101,212.77 and 39,808.54

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Solution

The fourth proportional to 73,342.54, 101,212.77 and 39,808.54 is: 54,935.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,342.54 : 101,212.77 = 39,808.54 : x
  2. Step 2: Convert to fraction form
    73,342.54/101,212.77 = 39,808.54/x
  3. Step 3: Cross multiply
    73,342.54x = 101,212.77 × 39,808.54
  4. Step 4: Simplify right side
    73,342.54x = 4,029,132,603.06
  5. Step 5: Solve for x
    x = 4,029,132,603.06/73,342.54
  6. Step 6: Final answer
    x = 54,935.82

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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.