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Finding the Fourth Proportional to 61,393.60, 91,942.44 and 35,018.38

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Solution

The fourth proportional to 61,393.60, 91,942.44 and 35,018.38 is: 52,443.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,393.60 : 91,942.44 = 35,018.38 : x
  2. Step 2: Convert to fraction form
    61,393.60/91,942.44 = 35,018.38/x
  3. Step 3: Cross multiply
    61,393.60x = 91,942.44 × 35,018.38
  4. Step 4: Simplify right side
    61,393.60x = 3,219,675,302.05
  5. Step 5: Solve for x
    x = 3,219,675,302.05/61,393.60
  6. Step 6: Final answer
    x = 52,443.17

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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.