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Finding the Fourth Proportional to 17,195.30, 25,793.04 and 7,828.77

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Solution

The fourth proportional to 17,195.30, 25,793.04 and 7,828.77 is: 11,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,195.30 : 25,793.04 = 7,828.77 : x
  2. Step 2: Convert to fraction form
    17,195.30/25,793.04 = 7,828.77/x
  3. Step 3: Cross multiply
    17,195.30x = 25,793.04 × 7,828.77
  4. Step 4: Simplify right side
    17,195.30x = 201,927,777.76
  5. Step 5: Solve for x
    x = 201,927,777.76/17,195.30
  6. Step 6: Final answer
    x = 11,743.20

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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.