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Finding the Fourth Proportional to 7,263.76, 10,889.16 and 3,362.80

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Solution

The fourth proportional to 7,263.76, 10,889.16 and 3,362.80 is: 5,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,263.76 : 10,889.16 = 3,362.80 : x
  2. Step 2: Convert to fraction form
    7,263.76/10,889.16 = 3,362.80/x
  3. Step 3: Cross multiply
    7,263.76x = 10,889.16 × 3,362.80
  4. Step 4: Simplify right side
    7,263.76x = 36,618,067.25
  5. Step 5: Solve for x
    x = 36,618,067.25/7,263.76
  6. Step 6: Final answer
    x = 5,041.20

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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.