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Finding the Fourth Proportional to 6,246.80, 8,589.48 and 5,987.60

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Solution

The fourth proportional to 6,246.80, 8,589.48 and 5,987.60 is: 8,233.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246.80 : 8,589.48 = 5,987.60 : x
  2. Step 2: Convert to fraction form
    6,246.80/8,589.48 = 5,987.60/x
  3. Step 3: Cross multiply
    6,246.80x = 8,589.48 × 5,987.60
  4. Step 4: Simplify right side
    6,246.80x = 51,430,370.45
  5. Step 5: Solve for x
    x = 51,430,370.45/6,246.80
  6. Step 6: Final answer
    x = 8,233.07

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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.