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Finding the Fourth Proportional to 26,689.17, 40,048.03 and 17,326.99

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Solution

The fourth proportional to 26,689.17, 40,048.03 and 17,326.99 is: 25,999.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689.17 : 40,048.03 = 17,326.99 : x
  2. Step 2: Convert to fraction form
    26,689.17/40,048.03 = 17,326.99/x
  3. Step 3: Cross multiply
    26,689.17x = 40,048.03 × 17,326.99
  4. Step 4: Simplify right side
    26,689.17x = 693,911,571.77
  5. Step 5: Solve for x
    x = 693,911,571.77/26,689.17
  6. Step 6: Final answer
    x = 25,999.75

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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.