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Finding the Fourth Proportional to 31,181.58, 43,032.78 and 17,752.84

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Solution

The fourth proportional to 31,181.58, 43,032.78 and 17,752.84 is: 24,500.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,181.58 : 43,032.78 = 17,752.84 : x
  2. Step 2: Convert to fraction form
    31,181.58/43,032.78 = 17,752.84/x
  3. Step 3: Cross multiply
    31,181.58x = 43,032.78 × 17,752.84
  4. Step 4: Simplify right side
    31,181.58x = 763,954,058.10
  5. Step 5: Solve for x
    x = 763,954,058.10/31,181.58
  6. Step 6: Final answer
    x = 24,500.17

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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.