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Finding the Fourth Proportional to 61,629, 85,047.94 and 33,334.68

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Solution

The fourth proportional to 61,629, 85,047.94 and 33,334.68 is: 46,001.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,629 : 85,047.94 = 33,334.68 : x
  2. Step 2: Convert to fraction form
    61,629/85,047.94 = 33,334.68/x
  3. Step 3: Cross multiply
    61,629x = 85,047.94 × 33,334.68
  4. Step 4: Simplify right side
    61,629x = 2,835,045,864.56
  5. Step 5: Solve for x
    x = 2,835,045,864.56/61,629
  6. Step 6: Final answer
    x = 46,001.82

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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.