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Finding the Fourth Proportional to 9,103.56, 13,647.22 and 3,555.62

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Solution

The fourth proportional to 9,103.56, 13,647.22 and 3,555.62 is: 5,330.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.56 : 13,647.22 = 3,555.62 : x
  2. Step 2: Convert to fraction form
    9,103.56/13,647.22 = 3,555.62/x
  3. Step 3: Cross multiply
    9,103.56x = 13,647.22 × 3,555.62
  4. Step 4: Simplify right side
    9,103.56x = 48,524,328.38
  5. Step 5: Solve for x
    x = 48,524,328.38/9,103.56
  6. Step 6: Final answer
    x = 5,330.26

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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.