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Finding the Fourth Proportional to 17,369.16, 26,046 and 5,519.58

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Solution

The fourth proportional to 17,369.16, 26,046 and 5,519.58 is: 8,276.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,369.16 : 26,046 = 5,519.58 : x
  2. Step 2: Convert to fraction form
    17,369.16/26,046 = 5,519.58/x
  3. Step 3: Cross multiply
    17,369.16x = 26,046 × 5,519.58
  4. Step 4: Simplify right side
    17,369.16x = 143,762,980.68
  5. Step 5: Solve for x
    x = 143,762,980.68/17,369.16
  6. Step 6: Final answer
    x = 8,276.91

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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.