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Finding the Fourth Proportional to 29,607.56, 40,839.34 and 17,661.68

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Solution

The fourth proportional to 29,607.56, 40,839.34 and 17,661.68 is: 24,361.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,607.56 : 40,839.34 = 17,661.68 : x
  2. Step 2: Convert to fraction form
    29,607.56/40,839.34 = 17,661.68/x
  3. Step 3: Cross multiply
    29,607.56x = 40,839.34 × 17,661.68
  4. Step 4: Simplify right side
    29,607.56x = 721,291,354.49
  5. Step 5: Solve for x
    x = 721,291,354.49/29,607.56
  6. Step 6: Final answer
    x = 24,361.73

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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.