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Finding the Fourth Proportional to 11,808.42, 17,732.36 and 7,376.39

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Solution

The fourth proportional to 11,808.42, 17,732.36 and 7,376.39 is: 11,076.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808.42 : 17,732.36 = 7,376.39 : x
  2. Step 2: Convert to fraction form
    11,808.42/17,732.36 = 7,376.39/x
  3. Step 3: Cross multiply
    11,808.42x = 17,732.36 × 7,376.39
  4. Step 4: Simplify right side
    11,808.42x = 130,800,802.98
  5. Step 5: Solve for x
    x = 130,800,802.98/11,808.42
  6. Step 6: Final answer
    x = 11,076.91

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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.