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Finding the Fourth Proportional to 3,375.64, 4,658.70 and 1,883.69

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Solution

The fourth proportional to 3,375.64, 4,658.70 and 1,883.69 is: 2,599.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.64 : 4,658.70 = 1,883.69 : x
  2. Step 2: Convert to fraction form
    3,375.64/4,658.70 = 1,883.69/x
  3. Step 3: Cross multiply
    3,375.64x = 4,658.70 × 1,883.69
  4. Step 4: Simplify right side
    3,375.64x = 8,775,546.60
  5. Step 5: Solve for x
    x = 8,775,546.60/3,375.64
  6. Step 6: Final answer
    x = 2,599.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.