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Finding the Fourth Proportional to 61,976.29, 85,527.93 and 33,681.97

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Solution

The fourth proportional to 61,976.29, 85,527.93 and 33,681.97 is: 46,481.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,976.29 : 85,527.93 = 33,681.97 : x
  2. Step 2: Convert to fraction form
    61,976.29/85,527.93 = 33,681.97/x
  3. Step 3: Cross multiply
    61,976.29x = 85,527.93 × 33,681.97
  4. Step 4: Simplify right side
    61,976.29x = 2,880,749,172.42
  5. Step 5: Solve for x
    x = 2,880,749,172.42/61,976.29
  6. Step 6: Final answer
    x = 46,481.48

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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.