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Finding the Fourth Proportional to 8,603.44, 12,896.43 and 5,830.39

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Solution

The fourth proportional to 8,603.44, 12,896.43 and 5,830.39 is: 8,739.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.44 : 12,896.43 = 5,830.39 : x
  2. Step 2: Convert to fraction form
    8,603.44/12,896.43 = 5,830.39/x
  3. Step 3: Cross multiply
    8,603.44x = 12,896.43 × 5,830.39
  4. Step 4: Simplify right side
    8,603.44x = 75,191,207.29
  5. Step 5: Solve for x
    x = 75,191,207.29/8,603.44
  6. Step 6: Final answer
    x = 8,739.67

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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.