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Finding the Fourth Proportional to 29,288.70, 40,418.46 and 17,357.94

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Solution

The fourth proportional to 29,288.70, 40,418.46 and 17,357.94 is: 23,953.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,288.70 : 40,418.46 = 17,357.94 : x
  2. Step 2: Convert to fraction form
    29,288.70/40,418.46 = 17,357.94/x
  3. Step 3: Cross multiply
    29,288.70x = 40,418.46 × 17,357.94
  4. Step 4: Simplify right side
    29,288.70x = 701,581,203.57
  5. Step 5: Solve for x
    x = 701,581,203.57/29,288.70
  6. Step 6: Final answer
    x = 23,953.99

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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.