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Finding the Fourth Proportional to 8,600.35, 12,900.53 and 2,360.44

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Solution

The fourth proportional to 8,600.35, 12,900.53 and 2,360.44 is: 3,540.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.35 : 12,900.53 = 2,360.44 : x
  2. Step 2: Convert to fraction form
    8,600.35/12,900.53 = 2,360.44/x
  3. Step 3: Cross multiply
    8,600.35x = 12,900.53 × 2,360.44
  4. Step 4: Simplify right side
    8,600.35x = 30,450,956.33
  5. Step 5: Solve for x
    x = 30,450,956.33/8,600.35
  6. Step 6: Final answer
    x = 3,540.67

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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.