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Finding the Fourth Proportional to 9,183.72, 13,775.64 and 3,027.72

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Solution

The fourth proportional to 9,183.72, 13,775.64 and 3,027.72 is: 4,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,183.72 : 13,775.64 = 3,027.72 : x
  2. Step 2: Convert to fraction form
    9,183.72/13,775.64 = 3,027.72/x
  3. Step 3: Cross multiply
    9,183.72x = 13,775.64 × 3,027.72
  4. Step 4: Simplify right side
    9,183.72x = 41,708,780.74
  5. Step 5: Solve for x
    x = 41,708,780.74/9,183.72
  6. Step 6: Final answer
    x = 4,541.60

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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.