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Finding the Fourth Proportional to 4,809.06, 6,636.60 and 2,684.64

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Solution

The fourth proportional to 4,809.06, 6,636.60 and 2,684.64 is: 3,704.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.06 : 6,636.60 = 2,684.64 : x
  2. Step 2: Convert to fraction form
    4,809.06/6,636.60 = 2,684.64/x
  3. Step 3: Cross multiply
    4,809.06x = 6,636.60 × 2,684.64
  4. Step 4: Simplify right side
    4,809.06x = 17,816,881.82
  5. Step 5: Solve for x
    x = 17,816,881.82/4,809.06
  6. Step 6: Final answer
    x = 3,704.86

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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.