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Finding the Fourth Proportional to 61,572.52, 84,969.93 and 33,278.14

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Solution

The fourth proportional to 61,572.52, 84,969.93 and 33,278.14 is: 45,923.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,572.52 : 84,969.93 = 33,278.14 : x
  2. Step 2: Convert to fraction form
    61,572.52/84,969.93 = 33,278.14/x
  3. Step 3: Cross multiply
    61,572.52x = 84,969.93 × 33,278.14
  4. Step 4: Simplify right side
    61,572.52x = 2,827,641,226.33
  5. Step 5: Solve for x
    x = 2,827,641,226.33/61,572.52
  6. Step 6: Final answer
    x = 45,923.75

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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.