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Finding the Fourth Proportional to 19,552.01, 26,981.42 and 11,053.98

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Solution

The fourth proportional to 19,552.01, 26,981.42 and 11,053.98 is: 15,254.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,552.01 : 26,981.42 = 11,053.98 : x
  2. Step 2: Convert to fraction form
    19,552.01/26,981.42 = 11,053.98/x
  3. Step 3: Cross multiply
    19,552.01x = 26,981.42 × 11,053.98
  4. Step 4: Simplify right side
    19,552.01x = 298,252,021.78
  5. Step 5: Solve for x
    x = 298,252,021.78/19,552.01
  6. Step 6: Final answer
    x = 15,254.29

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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.