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Finding the Fourth Proportional to 17,396.51, 26,095.70 and 4,917.51

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Solution

The fourth proportional to 17,396.51, 26,095.70 and 4,917.51 is: 7,376.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,396.51 : 26,095.70 = 4,917.51 : x
  2. Step 2: Convert to fraction form
    17,396.51/26,095.70 = 4,917.51/x
  3. Step 3: Cross multiply
    17,396.51x = 26,095.70 × 4,917.51
  4. Step 4: Simplify right side
    17,396.51x = 128,325,878.00
  5. Step 5: Solve for x
    x = 128,325,878.00/17,396.51
  6. Step 6: Final answer
    x = 7,376.53

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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.