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Finding the Fourth Proportional to 4,615.41, 6,918.80 and 2,559.09

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Solution

The fourth proportional to 4,615.41, 6,918.80 and 2,559.09 is: 3,836.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.41 : 6,918.80 = 2,559.09 : x
  2. Step 2: Convert to fraction form
    4,615.41/6,918.80 = 2,559.09/x
  3. Step 3: Cross multiply
    4,615.41x = 6,918.80 × 2,559.09
  4. Step 4: Simplify right side
    4,615.41x = 17,705,819.10
  5. Step 5: Solve for x
    x = 17,705,819.10/4,615.41
  6. Step 6: Final answer
    x = 3,836.24

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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.