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Finding the Fourth Proportional to 19,104.78, 26,363.41 and 10,606.41

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Solution

The fourth proportional to 19,104.78, 26,363.41 and 10,606.41 is: 14,636.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,104.78 : 26,363.41 = 10,606.41 : x
  2. Step 2: Convert to fraction form
    19,104.78/26,363.41 = 10,606.41/x
  3. Step 3: Cross multiply
    19,104.78x = 26,363.41 × 10,606.41
  4. Step 4: Simplify right side
    19,104.78x = 279,621,135.46
  5. Step 5: Solve for x
    x = 279,621,135.46/19,104.78
  6. Step 6: Final answer
    x = 14,636.19

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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.