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Finding the Fourth Proportional to 29,995, 41,393.10 and 17,420.56

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Solution

The fourth proportional to 29,995, 41,393.10 and 17,420.56 is: 24,040.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,995 : 41,393.10 = 17,420.56 : x
  2. Step 2: Convert to fraction form
    29,995/41,393.10 = 17,420.56/x
  3. Step 3: Cross multiply
    29,995x = 41,393.10 × 17,420.56
  4. Step 4: Simplify right side
    29,995x = 721,090,982.14
  5. Step 5: Solve for x
    x = 721,090,982.14/29,995
  6. Step 6: Final answer
    x = 24,040.37

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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.