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Finding the Fourth Proportional to 9,556.68, 13,190.94 and 5,579.99

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Solution

The fourth proportional to 9,556.68, 13,190.94 and 5,579.99 is: 7,701.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,556.68 : 13,190.94 = 5,579.99 : x
  2. Step 2: Convert to fraction form
    9,556.68/13,190.94 = 5,579.99/x
  3. Step 3: Cross multiply
    9,556.68x = 13,190.94 × 5,579.99
  4. Step 4: Simplify right side
    9,556.68x = 73,605,247.34
  5. Step 5: Solve for x
    x = 73,605,247.34/9,556.68
  6. Step 6: Final answer
    x = 7,701.97

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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.