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Finding the Fourth Proportional to 29,086.76, 40,138.63 and 17,775.17

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Solution

The fourth proportional to 29,086.76, 40,138.63 and 17,775.17 is: 24,529.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,086.76 : 40,138.63 = 17,775.17 : x
  2. Step 2: Convert to fraction form
    29,086.76/40,138.63 = 17,775.17/x
  3. Step 3: Cross multiply
    29,086.76x = 40,138.63 × 17,775.17
  4. Step 4: Simplify right side
    29,086.76x = 713,470,971.82
  5. Step 5: Solve for x
    x = 713,470,971.82/29,086.76
  6. Step 6: Final answer
    x = 24,529.06

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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.