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Finding the Fourth Proportional to 19,637, 27,099 and 10,684.44

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Solution

The fourth proportional to 19,637, 27,099 and 10,684.44 is: 14,744.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637 : 27,099 = 10,684.44 : x
  2. Step 2: Convert to fraction form
    19,637/27,099 = 10,684.44/x
  3. Step 3: Cross multiply
    19,637x = 27,099 × 10,684.44
  4. Step 4: Simplify right side
    19,637x = 289,537,639.56
  5. Step 5: Solve for x
    x = 289,537,639.56/19,637
  6. Step 6: Final answer
    x = 14,744.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.