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Finding the Fourth Proportional to 7,578.01, 11,368.84 and 2,383.89

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Solution

The fourth proportional to 7,578.01, 11,368.84 and 2,383.89 is: 3,576.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578.01 : 11,368.84 = 2,383.89 : x
  2. Step 2: Convert to fraction form
    7,578.01/11,368.84 = 2,383.89/x
  3. Step 3: Cross multiply
    7,578.01x = 11,368.84 × 2,383.89
  4. Step 4: Simplify right side
    7,578.01x = 27,102,063.99
  5. Step 5: Solve for x
    x = 27,102,063.99/7,578.01
  6. Step 6: Final answer
    x = 3,576.41

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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.