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Finding the Fourth Proportional to 61,283.78, 91,914.72 and 16,305.39

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Solution

The fourth proportional to 61,283.78, 91,914.72 and 16,305.39 is: 24,455.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,283.78 : 91,914.72 = 16,305.39 : x
  2. Step 2: Convert to fraction form
    61,283.78/91,914.72 = 16,305.39/x
  3. Step 3: Cross multiply
    61,283.78x = 91,914.72 × 16,305.39
  4. Step 4: Simplify right side
    61,283.78x = 1,498,705,356.34
  5. Step 5: Solve for x
    x = 1,498,705,356.34/61,283.78
  6. Step 6: Final answer
    x = 24,455.17

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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.