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Finding the Fourth Proportional to 61,436.48, 84,808.48 and 41,305.03

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Solution

The fourth proportional to 61,436.48, 84,808.48 and 41,305.03 is: 57,018.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,436.48 : 84,808.48 = 41,305.03 : x
  2. Step 2: Convert to fraction form
    61,436.48/84,808.48 = 41,305.03/x
  3. Step 3: Cross multiply
    61,436.48x = 84,808.48 × 41,305.03
  4. Step 4: Simplify right side
    61,436.48x = 3,503,016,511.64
  5. Step 5: Solve for x
    x = 3,503,016,511.64/61,436.48
  6. Step 6: Final answer
    x = 57,018.51

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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.