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Finding the Fourth Proportional to 11,845.59, 17,768.48 and 8,136.58

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Solution

The fourth proportional to 11,845.59, 17,768.48 and 8,136.58 is: 12,204.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.59 : 17,768.48 = 8,136.58 : x
  2. Step 2: Convert to fraction form
    11,845.59/17,768.48 = 8,136.58/x
  3. Step 3: Cross multiply
    11,845.59x = 17,768.48 × 8,136.58
  4. Step 4: Simplify right side
    11,845.59x = 144,574,640.53
  5. Step 5: Solve for x
    x = 144,574,640.53/11,845.59
  6. Step 6: Final answer
    x = 12,204.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.