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Finding the Fourth Proportional to 10,481.44, 15,722.16 and 4,636.48

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Solution

The fourth proportional to 10,481.44, 15,722.16 and 4,636.48 is: 6,954.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.44 : 15,722.16 = 4,636.48 : x
  2. Step 2: Convert to fraction form
    10,481.44/15,722.16 = 4,636.48/x
  3. Step 3: Cross multiply
    10,481.44x = 15,722.16 × 4,636.48
  4. Step 4: Simplify right side
    10,481.44x = 72,895,480.40
  5. Step 5: Solve for x
    x = 72,895,480.40/10,481.44
  6. Step 6: Final answer
    x = 6,954.72

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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.