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Finding the Fourth Proportional to 29,635.37, 40,911.68 and 22,905.79

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Solution

The fourth proportional to 29,635.37, 40,911.68 and 22,905.79 is: 31,621.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,635.37 : 40,911.68 = 22,905.79 : x
  2. Step 2: Convert to fraction form
    29,635.37/40,911.68 = 22,905.79/x
  3. Step 3: Cross multiply
    29,635.37x = 40,911.68 × 22,905.79
  4. Step 4: Simplify right side
    29,635.37x = 937,114,350.63
  5. Step 5: Solve for x
    x = 937,114,350.63/29,635.37
  6. Step 6: Final answer
    x = 31,621.48

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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.