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Finding the Fourth Proportional to 61,277.70, 91,905.60 and 16,299.30

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Solution

The fourth proportional to 61,277.70, 91,905.60 and 16,299.30 is: 24,446.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,277.70 : 91,905.60 = 16,299.30 : x
  2. Step 2: Convert to fraction form
    61,277.70/91,905.60 = 16,299.30/x
  3. Step 3: Cross multiply
    61,277.70x = 91,905.60 × 16,299.30
  4. Step 4: Simplify right side
    61,277.70x = 1,497,996,946.08
  5. Step 5: Solve for x
    x = 1,497,996,946.08/61,277.70
  6. Step 6: Final answer
    x = 24,446.04

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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.