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Finding the Fourth Proportional to 6,653.85, 9,182.73 and 3,669.67

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Solution

The fourth proportional to 6,653.85, 9,182.73 and 3,669.67 is: 5,064.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.85 : 9,182.73 = 3,669.67 : x
  2. Step 2: Convert to fraction form
    6,653.85/9,182.73 = 3,669.67/x
  3. Step 3: Cross multiply
    6,653.85x = 9,182.73 × 3,669.67
  4. Step 4: Simplify right side
    6,653.85x = 33,697,588.80
  5. Step 5: Solve for x
    x = 33,697,588.80/6,653.85
  6. Step 6: Final answer
    x = 5,064.37

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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.