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Finding the Fourth Proportional to 8,954.67, 13,432.08 and 3,408.06

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Solution

The fourth proportional to 8,954.67, 13,432.08 and 3,408.06 is: 5,112.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.67 : 13,432.08 = 3,408.06 : x
  2. Step 2: Convert to fraction form
    8,954.67/13,432.08 = 3,408.06/x
  3. Step 3: Cross multiply
    8,954.67x = 13,432.08 × 3,408.06
  4. Step 4: Simplify right side
    8,954.67x = 45,777,334.56
  5. Step 5: Solve for x
    x = 45,777,334.56/8,954.67
  6. Step 6: Final answer
    x = 5,112.12

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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.