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Finding the Fourth Proportional to 17,291.64, 25,918.02 and 7,435.56

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Solution

The fourth proportional to 17,291.64, 25,918.02 and 7,435.56 is: 11,144.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,291.64 : 25,918.02 = 7,435.56 : x
  2. Step 2: Convert to fraction form
    17,291.64/25,918.02 = 7,435.56/x
  3. Step 3: Cross multiply
    17,291.64x = 25,918.02 × 7,435.56
  4. Step 4: Simplify right side
    17,291.64x = 192,714,992.79
  5. Step 5: Solve for x
    x = 192,714,992.79/17,291.64
  6. Step 6: Final answer
    x = 11,144.98

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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.