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Finding the Fourth Proportional to 6,460.56, 9,690.12 and 2,299.68

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Solution

The fourth proportional to 6,460.56, 9,690.12 and 2,299.68 is: 3,449.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,460.56 : 9,690.12 = 2,299.68 : x
  2. Step 2: Convert to fraction form
    6,460.56/9,690.12 = 2,299.68/x
  3. Step 3: Cross multiply
    6,460.56x = 9,690.12 × 2,299.68
  4. Step 4: Simplify right side
    6,460.56x = 22,284,175.16
  5. Step 5: Solve for x
    x = 22,284,175.16/6,460.56
  6. Step 6: Final answer
    x = 3,449.26

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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.