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Finding the Fourth Proportional to 29,993.63, 41,391.20 and 17,419.19

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Solution

The fourth proportional to 29,993.63, 41,391.20 and 17,419.19 is: 24,038.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,993.63 : 41,391.20 = 17,419.19 : x
  2. Step 2: Convert to fraction form
    29,993.63/41,391.20 = 17,419.19/x
  3. Step 3: Cross multiply
    29,993.63x = 41,391.20 × 17,419.19
  4. Step 4: Simplify right side
    29,993.63x = 721,001,013.72
  5. Step 5: Solve for x
    x = 721,001,013.72/29,993.63
  6. Step 6: Final answer
    x = 24,038.48

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1.5x scale

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.