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Finding the Fourth Proportional to 18,317.14, 27,475.74 and 6,627.64

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Solution

The fourth proportional to 18,317.14, 27,475.74 and 6,627.64 is: 9,941.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.14 : 27,475.74 = 6,627.64 : x
  2. Step 2: Convert to fraction form
    18,317.14/27,475.74 = 6,627.64/x
  3. Step 3: Cross multiply
    18,317.14x = 27,475.74 × 6,627.64
  4. Step 4: Simplify right side
    18,317.14x = 182,099,313.45
  5. Step 5: Solve for x
    x = 182,099,313.45/18,317.14
  6. Step 6: Final answer
    x = 9,941.47

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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.