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Finding the Fourth Proportional to 7,059.36, 9,741.99 and 4,074.62

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Solution

The fourth proportional to 7,059.36, 9,741.99 and 4,074.62 is: 5,623.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,059.36 : 9,741.99 = 4,074.62 : x
  2. Step 2: Convert to fraction form
    7,059.36/9,741.99 = 4,074.62/x
  3. Step 3: Cross multiply
    7,059.36x = 9,741.99 × 4,074.62
  4. Step 4: Simplify right side
    7,059.36x = 39,694,858.58
  5. Step 5: Solve for x
    x = 39,694,858.58/7,059.36
  6. Step 6: Final answer
    x = 5,623.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.