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Finding the Fourth Proportional to 17,671.66, 24,361.20 and 12,349.96

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Solution

The fourth proportional to 17,671.66, 24,361.20 and 12,349.96 is: 17,024.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,671.66 : 24,361.20 = 12,349.96 : x
  2. Step 2: Convert to fraction form
    17,671.66/24,361.20 = 12,349.96/x
  3. Step 3: Cross multiply
    17,671.66x = 24,361.20 × 12,349.96
  4. Step 4: Simplify right side
    17,671.66x = 300,859,845.55
  5. Step 5: Solve for x
    x = 300,859,845.55/17,671.66
  6. Step 6: Final answer
    x = 17,024.99

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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.