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Finding the Fourth Proportional to 4,868.70, 7,267.68 and 4,508.28

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Solution

The fourth proportional to 4,868.70, 7,267.68 and 4,508.28 is: 6,729.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.70 : 7,267.68 = 4,508.28 : x
  2. Step 2: Convert to fraction form
    4,868.70/7,267.68 = 4,508.28/x
  3. Step 3: Cross multiply
    4,868.70x = 7,267.68 × 4,508.28
  4. Step 4: Simplify right side
    4,868.70x = 32,764,736.39
  5. Step 5: Solve for x
    x = 32,764,736.39/4,868.70
  6. Step 6: Final answer
    x = 6,729.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.