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Finding the Fourth Proportional to 35,855.08, 49,481.21 and 19,723.07

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Solution

The fourth proportional to 35,855.08, 49,481.21 and 19,723.07 is: 27,218.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,855.08 : 49,481.21 = 19,723.07 : x
  2. Step 2: Convert to fraction form
    35,855.08/49,481.21 = 19,723.07/x
  3. Step 3: Cross multiply
    35,855.08x = 49,481.21 × 19,723.07
  4. Step 4: Simplify right side
    35,855.08x = 975,921,368.51
  5. Step 5: Solve for x
    x = 975,921,368.51/35,855.08
  6. Step 6: Final answer
    x = 27,218.50

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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.