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Finding the Fourth Proportional to 61,042.80, 84,237.09 and 33,817.76

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Solution

The fourth proportional to 61,042.80, 84,237.09 and 33,817.76 is: 46,667.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,042.80 : 84,237.09 = 33,817.76 : x
  2. Step 2: Convert to fraction form
    61,042.80/84,237.09 = 33,817.76/x
  3. Step 3: Cross multiply
    61,042.80x = 84,237.09 × 33,817.76
  4. Step 4: Simplify right side
    61,042.80x = 2,848,709,614.95
  5. Step 5: Solve for x
    x = 2,848,709,614.95/61,042.80
  6. Step 6: Final answer
    x = 46,667.42

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1.5x scale

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.