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Finding the Fourth Proportional to 61,628.93, 92,605.94 and 33,186.90

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Solution

The fourth proportional to 61,628.93, 92,605.94 and 33,186.90 is: 49,867.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,628.93 : 92,605.94 = 33,186.90 : x
  2. Step 2: Convert to fraction form
    61,628.93/92,605.94 = 33,186.90/x
  3. Step 3: Cross multiply
    61,628.93x = 92,605.94 × 33,186.90
  4. Step 4: Simplify right side
    61,628.93x = 3,073,303,904.25
  5. Step 5: Solve for x
    x = 3,073,303,904.25/61,628.93
  6. Step 6: Final answer
    x = 49,867.88

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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.