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Finding the Fourth Proportional to 4,531.60, 6,798.60 and 1,609.60

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Solution

The fourth proportional to 4,531.60, 6,798.60 and 1,609.60 is: 2,414.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,531.60 : 6,798.60 = 1,609.60 : x
  2. Step 2: Convert to fraction form
    4,531.60/6,798.60 = 1,609.60/x
  3. Step 3: Cross multiply
    4,531.60x = 6,798.60 × 1,609.60
  4. Step 4: Simplify right side
    4,531.60x = 10,943,026.56
  5. Step 5: Solve for x
    x = 10,943,026.56/4,531.60
  6. Step 6: Final answer
    x = 2,414.83

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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.