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Finding the Fourth Proportional to 8,955.37, 13,408.44 and 6,757.45

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Solution

The fourth proportional to 8,955.37, 13,408.44 and 6,757.45 is: 10,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.37 : 13,408.44 = 6,757.45 : x
  2. Step 2: Convert to fraction form
    8,955.37/13,408.44 = 6,757.45/x
  3. Step 3: Cross multiply
    8,955.37x = 13,408.44 × 6,757.45
  4. Step 4: Simplify right side
    8,955.37x = 90,606,862.88
  5. Step 5: Solve for x
    x = 90,606,862.88/8,955.37
  6. Step 6: Final answer
    x = 10,117.60

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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.