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Finding the Fourth Proportional to 17,719.02, 26,594.93 and 8,960.09

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Solution

The fourth proportional to 17,719.02, 26,594.93 and 8,960.09 is: 13,448.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,719.02 : 26,594.93 = 8,960.09 : x
  2. Step 2: Convert to fraction form
    17,719.02/26,594.93 = 8,960.09/x
  3. Step 3: Cross multiply
    17,719.02x = 26,594.93 × 8,960.09
  4. Step 4: Simplify right side
    17,719.02x = 238,292,855.77
  5. Step 5: Solve for x
    x = 238,292,855.77/17,719.02
  6. Step 6: Final answer
    x = 13,448.42

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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.