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Finding the Fourth Proportional to 61,258.75, 84,531.26 and 34,396.00

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Solution

The fourth proportional to 61,258.75, 84,531.26 and 34,396.00 is: 47,463.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,258.75 : 84,531.26 = 34,396.00 : x
  2. Step 2: Convert to fraction form
    61,258.75/84,531.26 = 34,396.00/x
  3. Step 3: Cross multiply
    61,258.75x = 84,531.26 × 34,396.00
  4. Step 4: Simplify right side
    61,258.75x = 2,907,537,093.62
  5. Step 5: Solve for x
    x = 2,907,537,093.62/61,258.75
  6. Step 6: Final answer
    x = 47,463.21

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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.