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Finding the Fourth Proportional to 8,911.89, 13,367.84 and 5,014.17

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Solution

The fourth proportional to 8,911.89, 13,367.84 and 5,014.17 is: 7,521.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.89 : 13,367.84 = 5,014.17 : x
  2. Step 2: Convert to fraction form
    8,911.89/13,367.84 = 5,014.17/x
  3. Step 3: Cross multiply
    8,911.89x = 13,367.84 × 5,014.17
  4. Step 4: Simplify right side
    8,911.89x = 67,028,597.22
  5. Step 5: Solve for x
    x = 67,028,597.22/8,911.89
  6. Step 6: Final answer
    x = 7,521.26

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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.