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Finding the Fourth Proportional to 35,136.56, 48,489.04 and 19,221.12

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Solution

The fourth proportional to 35,136.56, 48,489.04 and 19,221.12 is: 26,525.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,136.56 : 48,489.04 = 19,221.12 : x
  2. Step 2: Convert to fraction form
    35,136.56/48,489.04 = 19,221.12/x
  3. Step 3: Cross multiply
    35,136.56x = 48,489.04 × 19,221.12
  4. Step 4: Simplify right side
    35,136.56x = 932,013,656.52
  5. Step 5: Solve for x
    x = 932,013,656.52/35,136.56
  6. Step 6: Final answer
    x = 26,525.47

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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.