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Finding the Fourth Proportional to 29,481.37, 40,703.11 and 22,662.18

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Solution

The fourth proportional to 29,481.37, 40,703.11 and 22,662.18 is: 31,288.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,481.37 : 40,703.11 = 22,662.18 : x
  2. Step 2: Convert to fraction form
    29,481.37/40,703.11 = 22,662.18/x
  3. Step 3: Cross multiply
    29,481.37x = 40,703.11 × 22,662.18
  4. Step 4: Simplify right side
    29,481.37x = 922,421,148.72
  5. Step 5: Solve for x
    x = 922,421,148.72/29,481.37
  6. Step 6: Final answer
    x = 31,288.28

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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.