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Finding the Fourth Proportional to 19,718.44, 29,577.69 and 5,867.44

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Solution

The fourth proportional to 19,718.44, 29,577.69 and 5,867.44 is: 8,801.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718.44 : 29,577.69 = 5,867.44 : x
  2. Step 2: Convert to fraction form
    19,718.44/29,577.69 = 5,867.44/x
  3. Step 3: Cross multiply
    19,718.44x = 29,577.69 × 5,867.44
  4. Step 4: Simplify right side
    19,718.44x = 173,545,247.47
  5. Step 5: Solve for x
    x = 173,545,247.47/19,718.44
  6. Step 6: Final answer
    x = 8,801.17

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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.