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Finding the Fourth Proportional to 35,772.36, 49,363.52 and 19,856.80

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Solution

The fourth proportional to 35,772.36, 49,363.52 and 19,856.80 is: 27,401.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,772.36 : 49,363.52 = 19,856.80 : x
  2. Step 2: Convert to fraction form
    35,772.36/49,363.52 = 19,856.80/x
  3. Step 3: Cross multiply
    35,772.36x = 49,363.52 × 19,856.80
  4. Step 4: Simplify right side
    35,772.36x = 980,201,543.94
  5. Step 5: Solve for x
    x = 980,201,543.94/35,772.36
  6. Step 6: Final answer
    x = 27,401.09

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