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Finding the Fourth Proportional to 6,007.28, 8,290.20 and 3,355.20

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Solution

The fourth proportional to 6,007.28, 8,290.20 and 3,355.20 is: 4,630.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,007.28 : 8,290.20 = 3,355.20 : x
  2. Step 2: Convert to fraction form
    6,007.28/8,290.20 = 3,355.20/x
  3. Step 3: Cross multiply
    6,007.28x = 8,290.20 × 3,355.20
  4. Step 4: Simplify right side
    6,007.28x = 27,815,279.04
  5. Step 5: Solve for x
    x = 27,815,279.04/6,007.28
  6. Step 6: Final answer
    x = 4,630.26

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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.