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Finding the Fourth Proportional to 61,456.84, 84,836.58 and 41,325.40

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Solution

The fourth proportional to 61,456.84, 84,836.58 and 41,325.40 is: 57,046.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,456.84 : 84,836.58 = 41,325.40 : x
  2. Step 2: Convert to fraction form
    61,456.84/84,836.58 = 41,325.40/x
  3. Step 3: Cross multiply
    61,456.84x = 84,836.58 × 41,325.40
  4. Step 4: Simplify right side
    61,456.84x = 3,505,905,603.13
  5. Step 5: Solve for x
    x = 3,505,905,603.13/61,456.84
  6. Step 6: Final answer
    x = 57,046.63

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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.