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Finding the Fourth Proportional to 6,649.23, 9,955.85 and 4,453.23

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Solution

The fourth proportional to 6,649.23, 9,955.85 and 4,453.23 is: 6,667.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,649.23 : 9,955.85 = 4,453.23 : x
  2. Step 2: Convert to fraction form
    6,649.23/9,955.85 = 4,453.23/x
  3. Step 3: Cross multiply
    6,649.23x = 9,955.85 × 4,453.23
  4. Step 4: Simplify right side
    6,649.23x = 44,335,667.63
  5. Step 5: Solve for x
    x = 44,335,667.63/6,649.23
  6. Step 6: Final answer
    x = 6,667.79

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1.5x scale

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.