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Finding the Fourth Proportional to 35,545.78, 49,052.78 and 19,629.91

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Solution

The fourth proportional to 35,545.78, 49,052.78 and 19,629.91 is: 27,089.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,545.78 : 49,052.78 = 19,629.91 : x
  2. Step 2: Convert to fraction form
    35,545.78/49,052.78 = 19,629.91/x
  3. Step 3: Cross multiply
    35,545.78x = 49,052.78 × 19,629.91
  4. Step 4: Simplify right side
    35,545.78x = 962,901,435.87
  5. Step 5: Solve for x
    x = 962,901,435.87/35,545.78
  6. Step 6: Final answer
    x = 27,089.05

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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.