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Finding the Fourth Proportional to 8,449.04, 12,673.80 and 3,258.80

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Solution

The fourth proportional to 8,449.04, 12,673.80 and 3,258.80 is: 4,888.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.04 : 12,673.80 = 3,258.80 : x
  2. Step 2: Convert to fraction form
    8,449.04/12,673.80 = 3,258.80/x
  3. Step 3: Cross multiply
    8,449.04x = 12,673.80 × 3,258.80
  4. Step 4: Simplify right side
    8,449.04x = 41,301,379.44
  5. Step 5: Solve for x
    x = 41,301,379.44/8,449.04
  6. Step 6: Final answer
    x = 4,888.29

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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.