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Finding the Fourth Proportional to 61,575.94, 84,974.81 and 33,281.54

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Solution

The fourth proportional to 61,575.94, 84,974.81 and 33,281.54 is: 45,928.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,575.94 : 84,974.81 = 33,281.54 : x
  2. Step 2: Convert to fraction form
    61,575.94/84,974.81 = 33,281.54/x
  3. Step 3: Cross multiply
    61,575.94x = 84,974.81 × 33,281.54
  4. Step 4: Simplify right side
    61,575.94x = 2,828,092,538.01
  5. Step 5: Solve for x
    x = 2,828,092,538.01/61,575.94
  6. Step 6: Final answer
    x = 45,928.53

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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.