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Finding the Fourth Proportional to 29,036.50, 40,082.61 and 19,617.82

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Solution

The fourth proportional to 29,036.50, 40,082.61 and 19,617.82 is: 27,080.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,036.50 : 40,082.61 = 19,617.82 : x
  2. Step 2: Convert to fraction form
    29,036.50/40,082.61 = 19,617.82/x
  3. Step 3: Cross multiply
    29,036.50x = 40,082.61 × 19,617.82
  4. Step 4: Simplify right side
    29,036.50x = 786,333,401.47
  5. Step 5: Solve for x
    x = 786,333,401.47/29,036.50
  6. Step 6: Final answer
    x = 27,080.86

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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.