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Finding the Fourth Proportional to 35,494.67, 48,981.20 and 19,579.12

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Solution

The fourth proportional to 35,494.67, 48,981.20 and 19,579.12 is: 27,018.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,494.67 : 48,981.20 = 19,579.12 : x
  2. Step 2: Convert to fraction form
    35,494.67/48,981.20 = 19,579.12/x
  3. Step 3: Cross multiply
    35,494.67x = 48,981.20 × 19,579.12
  4. Step 4: Simplify right side
    35,494.67x = 959,008,606.61
  5. Step 5: Solve for x
    x = 959,008,606.61/35,494.67
  6. Step 6: Final answer
    x = 27,018.38

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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.