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Finding the Fourth Proportional to 4,669.05, 7,007.18 and 3,486.05

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Solution

The fourth proportional to 4,669.05, 7,007.18 and 3,486.05 is: 5,231.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.05 : 7,007.18 = 3,486.05 : x
  2. Step 2: Convert to fraction form
    4,669.05/7,007.18 = 3,486.05/x
  3. Step 3: Cross multiply
    4,669.05x = 7,007.18 × 3,486.05
  4. Step 4: Simplify right side
    4,669.05x = 24,427,353.65
  5. Step 5: Solve for x
    x = 24,427,353.65/4,669.05
  6. Step 6: Final answer
    x = 5,231.76

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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.