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Finding the Fourth Proportional to 11,192.79, 16,793.12 and 4,951.99

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Solution

The fourth proportional to 11,192.79, 16,793.12 and 4,951.99 is: 7,429.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,192.79 : 16,793.12 = 4,951.99 : x
  2. Step 2: Convert to fraction form
    11,192.79/16,793.12 = 4,951.99/x
  3. Step 3: Cross multiply
    11,192.79x = 16,793.12 × 4,951.99
  4. Step 4: Simplify right side
    11,192.79x = 83,159,362.31
  5. Step 5: Solve for x
    x = 83,159,362.31/11,192.79
  6. Step 6: Final answer
    x = 7,429.73

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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.