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Finding the Fourth Proportional to 4,668.63, 7,002.94 and 2,168.45

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Solution

The fourth proportional to 4,668.63, 7,002.94 and 2,168.45 is: 3,252.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.63 : 7,002.94 = 2,168.45 : x
  2. Step 2: Convert to fraction form
    4,668.63/7,002.94 = 2,168.45/x
  3. Step 3: Cross multiply
    4,668.63x = 7,002.94 × 2,168.45
  4. Step 4: Simplify right side
    4,668.63x = 15,185,525.24
  5. Step 5: Solve for x
    x = 15,185,525.24/4,668.63
  6. Step 6: Final answer
    x = 3,252.67

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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.