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Finding the Fourth Proportional to 29,990.48, 41,393.16 and 17,414.48

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Solution

The fourth proportional to 29,990.48, 41,393.16 and 17,414.48 is: 24,035.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,990.48 : 41,393.16 = 17,414.48 : x
  2. Step 2: Convert to fraction form
    29,990.48/41,393.16 = 17,414.48/x
  3. Step 3: Cross multiply
    29,990.48x = 41,393.16 × 17,414.48
  4. Step 4: Simplify right side
    29,990.48x = 720,840,356.96
  5. Step 5: Solve for x
    x = 720,840,356.96/29,990.48
  6. Step 6: Final answer
    x = 24,035.64

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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.