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Finding the Fourth Proportional to 17,291.05, 25,932.48 and 7,925.23

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Solution

The fourth proportional to 17,291.05, 25,932.48 and 7,925.23 is: 11,885.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,291.05 : 25,932.48 = 7,925.23 : x
  2. Step 2: Convert to fraction form
    17,291.05/25,932.48 = 7,925.23/x
  3. Step 3: Cross multiply
    17,291.05x = 25,932.48 × 7,925.23
  4. Step 4: Simplify right side
    17,291.05x = 205,520,868.47
  5. Step 5: Solve for x
    x = 205,520,868.47/17,291.05
  6. Step 6: Final answer
    x = 11,885.97

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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.