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Finding the Fourth Proportional to 4,668.04, 6,443.16 and 2,679.64

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Solution

The fourth proportional to 4,668.04, 6,443.16 and 2,679.64 is: 3,698.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.04 : 6,443.16 = 2,679.64 : x
  2. Step 2: Convert to fraction form
    4,668.04/6,443.16 = 2,679.64/x
  3. Step 3: Cross multiply
    4,668.04x = 6,443.16 × 2,679.64
  4. Step 4: Simplify right side
    4,668.04x = 17,265,349.26
  5. Step 5: Solve for x
    x = 17,265,349.26/4,668.04
  6. Step 6: Final answer
    x = 3,698.63

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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.