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Finding the Fourth Proportional to 35,084.09, 48,415.48 and 19,168.20

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Solution

The fourth proportional to 35,084.09, 48,415.48 and 19,168.20 is: 26,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,084.09 : 48,415.48 = 19,168.20 : x
  2. Step 2: Convert to fraction form
    35,084.09/48,415.48 = 19,168.20/x
  3. Step 3: Cross multiply
    35,084.09x = 48,415.48 × 19,168.20
  4. Step 4: Simplify right side
    35,084.09x = 928,037,555.82
  5. Step 5: Solve for x
    x = 928,037,555.82/35,084.09
  6. Step 6: Final answer
    x = 26,451.80

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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.