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Finding the Fourth Proportional to 17,586.51, 26,379.93 and 6,913.95

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Solution

The fourth proportional to 17,586.51, 26,379.93 and 6,913.95 is: 10,370.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,586.51 : 26,379.93 = 6,913.95 : x
  2. Step 2: Convert to fraction form
    17,586.51/26,379.93 = 6,913.95/x
  3. Step 3: Cross multiply
    17,586.51x = 26,379.93 × 6,913.95
  4. Step 4: Simplify right side
    17,586.51x = 182,389,517.02
  5. Step 5: Solve for x
    x = 182,389,517.02/17,586.51
  6. Step 6: Final answer
    x = 10,370.99

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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.