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Finding the Fourth Proportional to 8,859.44, 13,289.88 and 3,236.48

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Solution

The fourth proportional to 8,859.44, 13,289.88 and 3,236.48 is: 4,854.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.44 : 13,289.88 = 3,236.48 : x
  2. Step 2: Convert to fraction form
    8,859.44/13,289.88 = 3,236.48/x
  3. Step 3: Cross multiply
    8,859.44x = 13,289.88 × 3,236.48
  4. Step 4: Simplify right side
    8,859.44x = 43,012,430.82
  5. Step 5: Solve for x
    x = 43,012,430.82/8,859.44
  6. Step 6: Final answer
    x = 4,854.98

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Similar ratio
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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.