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Finding the Fourth Proportional to 4,651.56, 6,419.51 and 2,662.74

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Solution

The fourth proportional to 4,651.56, 6,419.51 and 2,662.74 is: 3,674.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,651.56 : 6,419.51 = 2,662.74 : x
  2. Step 2: Convert to fraction form
    4,651.56/6,419.51 = 2,662.74/x
  3. Step 3: Cross multiply
    4,651.56x = 6,419.51 × 2,662.74
  4. Step 4: Simplify right side
    4,651.56x = 17,093,486.06
  5. Step 5: Solve for x
    x = 17,093,486.06/4,651.56
  6. Step 6: Final answer
    x = 3,674.79

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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.