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Finding the Fourth Proportional to 61,561, 84,954.38 and 33,266.89

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Solution

The fourth proportional to 61,561, 84,954.38 and 33,266.89 is: 45,908.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,561 : 84,954.38 = 33,266.89 : x
  2. Step 2: Convert to fraction form
    61,561/84,954.38 = 33,266.89/x
  3. Step 3: Cross multiply
    61,561x = 84,954.38 × 33,266.89
  4. Step 4: Simplify right side
    61,561x = 2,826,168,014.48
  5. Step 5: Solve for x
    x = 2,826,168,014.48/61,561
  6. Step 6: Final answer
    x = 45,908.42

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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.