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Finding the Fourth Proportional to 35,173.40, 48,561.94 and 31,390.08

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Solution

The fourth proportional to 35,173.40, 48,561.94 and 31,390.08 is: 43,338.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,173.40 : 48,561.94 = 31,390.08 : x
  2. Step 2: Convert to fraction form
    35,173.40/48,561.94 = 31,390.08/x
  3. Step 3: Cross multiply
    35,173.40x = 48,561.94 × 31,390.08
  4. Step 4: Simplify right side
    35,173.40x = 1,524,363,181.56
  5. Step 5: Solve for x
    x = 1,524,363,181.56/35,173.40
  6. Step 6: Final answer
    x = 43,338.52

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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.