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Finding the Fourth Proportional to 35,395.61, 48,845.92 and 19,480.08

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Solution

The fourth proportional to 35,395.61, 48,845.92 and 19,480.08 is: 26,882.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,395.61 : 48,845.92 = 19,480.08 : x
  2. Step 2: Convert to fraction form
    35,395.61/48,845.92 = 19,480.08/x
  3. Step 3: Cross multiply
    35,395.61x = 48,845.92 × 19,480.08
  4. Step 4: Simplify right side
    35,395.61x = 951,522,136.34
  5. Step 5: Solve for x
    x = 951,522,136.34/35,395.61
  6. Step 6: Final answer
    x = 26,882.49

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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.