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Finding the Fourth Proportional to 9,243.56, 13,855.08 and 4,314.44

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Solution

The fourth proportional to 9,243.56, 13,855.08 and 4,314.44 is: 6,466.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,243.56 : 13,855.08 = 4,314.44 : x
  2. Step 2: Convert to fraction form
    9,243.56/13,855.08 = 4,314.44/x
  3. Step 3: Cross multiply
    9,243.56x = 13,855.08 × 4,314.44
  4. Step 4: Simplify right side
    9,243.56x = 59,776,911.36
  5. Step 5: Solve for x
    x = 59,776,911.36/9,243.56
  6. Step 6: Final answer
    x = 6,466.87

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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.