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Finding the Fourth Proportional to 35,878.51, 49,511.14 and 19,963.63

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Solution

The fourth proportional to 35,878.51, 49,511.14 and 19,963.63 is: 27,549.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,878.51 : 49,511.14 = 19,963.63 : x
  2. Step 2: Convert to fraction form
    35,878.51/49,511.14 = 19,963.63/x
  3. Step 3: Cross multiply
    35,878.51x = 49,511.14 × 19,963.63
  4. Step 4: Simplify right side
    35,878.51x = 988,422,079.84
  5. Step 5: Solve for x
    x = 988,422,079.84/35,878.51
  6. Step 6: Final answer
    x = 27,549.14

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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.