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Finding the Fourth Proportional to 61,107.20, 91,660.54 and 16,737.32

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Solution

The fourth proportional to 61,107.20, 91,660.54 and 16,737.32 is: 25,105.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,107.20 : 91,660.54 = 16,737.32 : x
  2. Step 2: Convert to fraction form
    61,107.20/91,660.54 = 16,737.32/x
  3. Step 3: Cross multiply
    61,107.20x = 91,660.54 × 16,737.32
  4. Step 4: Simplify right side
    61,107.20x = 1,534,151,789.35
  5. Step 5: Solve for x
    x = 1,534,151,789.35/61,107.20
  6. Step 6: Final answer
    x = 25,105.91

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1.5x scale

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.