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Finding the Fourth Proportional to 61,946.37, 85,477.68 and 36,450

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Solution

The fourth proportional to 61,946.37, 85,477.68 and 36,450 is: 50,296.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,946.37 : 85,477.68 = 36,450 : x
  2. Step 2: Convert to fraction form
    61,946.37/85,477.68 = 36,450/x
  3. Step 3: Cross multiply
    61,946.37x = 85,477.68 × 36,450
  4. Step 4: Simplify right side
    61,946.37x = 3,115,661,436.00
  5. Step 5: Solve for x
    x = 3,115,661,436.00/61,946.37
  6. Step 6: Final answer
    x = 50,296.11

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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.