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Finding the Fourth Proportional to 7,484.05, 11,233.01 and 3,788.88

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Solution

The fourth proportional to 7,484.05, 11,233.01 and 3,788.88 is: 5,686.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.05 : 11,233.01 = 3,788.88 : x
  2. Step 2: Convert to fraction form
    7,484.05/11,233.01 = 3,788.88/x
  3. Step 3: Cross multiply
    7,484.05x = 11,233.01 × 3,788.88
  4. Step 4: Simplify right side
    7,484.05x = 42,560,526.93
  5. Step 5: Solve for x
    x = 42,560,526.93/7,484.05
  6. Step 6: Final answer
    x = 5,686.83

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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.