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Finding the Fourth Proportional to 61,997.16, 92,993.28 and 26,443.80

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Solution

The fourth proportional to 61,997.16, 92,993.28 and 26,443.80 is: 39,664.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,997.16 : 92,993.28 = 26,443.80 : x
  2. Step 2: Convert to fraction form
    61,997.16/92,993.28 = 26,443.80/x
  3. Step 3: Cross multiply
    61,997.16x = 92,993.28 × 26,443.80
  4. Step 4: Simplify right side
    61,997.16x = 2,459,095,697.66
  5. Step 5: Solve for x
    x = 2,459,095,697.66/61,997.16
  6. Step 6: Final answer
    x = 39,664.65

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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.