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Finding the Fourth Proportional to 61,459.21, 92,198.54 and 22,015.45

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Solution

The fourth proportional to 61,459.21, 92,198.54 and 22,015.45 is: 33,026.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,459.21 : 92,198.54 = 22,015.45 : x
  2. Step 2: Convert to fraction form
    61,459.21/92,198.54 = 22,015.45/x
  3. Step 3: Cross multiply
    61,459.21x = 92,198.54 × 22,015.45
  4. Step 4: Simplify right side
    61,459.21x = 2,029,792,347.44
  5. Step 5: Solve for x
    x = 2,029,792,347.44/61,459.21
  6. Step 6: Final answer
    x = 33,026.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.