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Finding the Fourth Proportional to 6,693.99, 9,237.54 and 3,861.37

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Solution

The fourth proportional to 6,693.99, 9,237.54 and 3,861.37 is: 5,328.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,693.99 : 9,237.54 = 3,861.37 : x
  2. Step 2: Convert to fraction form
    6,693.99/9,237.54 = 3,861.37/x
  3. Step 3: Cross multiply
    6,693.99x = 9,237.54 × 3,861.37
  4. Step 4: Simplify right side
    6,693.99x = 35,669,533.90
  5. Step 5: Solve for x
    x = 35,669,533.90/6,693.99
  6. Step 6: Final answer
    x = 5,328.59

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1.5x scale

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.