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Finding the Fourth Proportional to 17,396.86, 26,092.95 and 4,918.01

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Solution

The fourth proportional to 17,396.86, 26,092.95 and 4,918.01 is: 7,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,396.86 : 26,092.95 = 4,918.01 : x
  2. Step 2: Convert to fraction form
    17,396.86/26,092.95 = 4,918.01/x
  3. Step 3: Cross multiply
    17,396.86x = 26,092.95 × 4,918.01
  4. Step 4: Simplify right side
    17,396.86x = 128,325,389.03
  5. Step 5: Solve for x
    x = 128,325,389.03/17,396.86
  6. Step 6: Final answer
    x = 7,376.35

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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.