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Finding the Fourth Proportional to 2,698.60, 3,724.50 and 2,522.92

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Solution

The fourth proportional to 2,698.60, 3,724.50 and 2,522.92 is: 3,482.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.60 : 3,724.50 = 2,522.92 : x
  2. Step 2: Convert to fraction form
    2,698.60/3,724.50 = 2,522.92/x
  3. Step 3: Cross multiply
    2,698.60x = 3,724.50 × 2,522.92
  4. Step 4: Simplify right side
    2,698.60x = 9,396,615.54
  5. Step 5: Solve for x
    x = 9,396,615.54/2,698.60
  6. Step 6: Final answer
    x = 3,482.03

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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.