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Finding the Fourth Proportional to 4,836.60, 6,676.02 and 2,820.60

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Solution

The fourth proportional to 4,836.60, 6,676.02 and 2,820.60 is: 3,893.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,836.60 : 6,676.02 = 2,820.60 : x
  2. Step 2: Convert to fraction form
    4,836.60/6,676.02 = 2,820.60/x
  3. Step 3: Cross multiply
    4,836.60x = 6,676.02 × 2,820.60
  4. Step 4: Simplify right side
    4,836.60x = 18,830,382.01
  5. Step 5: Solve for x
    x = 18,830,382.01/4,836.60
  6. Step 6: Final answer
    x = 3,893.31

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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.