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Finding the Fourth Proportional to 17,509.98, 26,256.30 and 5,819.28

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Solution

The fourth proportional to 17,509.98, 26,256.30 and 5,819.28 is: 8,726.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,509.98 : 26,256.30 = 5,819.28 : x
  2. Step 2: Convert to fraction form
    17,509.98/26,256.30 = 5,819.28/x
  3. Step 3: Cross multiply
    17,509.98x = 26,256.30 × 5,819.28
  4. Step 4: Simplify right side
    17,509.98x = 152,792,761.46
  5. Step 5: Solve for x
    x = 152,792,761.46/17,509.98
  6. Step 6: Final answer
    x = 8,726.04

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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.