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Finding the Fourth Proportional to 29,277, 40,391.24 and 19,211.00

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Solution

The fourth proportional to 29,277, 40,391.24 and 19,211.00 is: 26,503.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,277 : 40,391.24 = 19,211.00 : x
  2. Step 2: Convert to fraction form
    29,277/40,391.24 = 19,211.00/x
  3. Step 3: Cross multiply
    29,277x = 40,391.24 × 19,211.00
  4. Step 4: Simplify right side
    29,277x = 775,955,813.63
  5. Step 5: Solve for x
    x = 775,955,813.63/29,277
  6. Step 6: Final answer
    x = 26,503.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.