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Finding the Fourth Proportional to 11,571.48, 17,357.64 and 5,947.64

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Solution

The fourth proportional to 11,571.48, 17,357.64 and 5,947.64 is: 8,921.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,571.48 : 17,357.64 = 5,947.64 : x
  2. Step 2: Convert to fraction form
    11,571.48/17,357.64 = 5,947.64/x
  3. Step 3: Cross multiply
    11,571.48x = 17,357.64 × 5,947.64
  4. Step 4: Simplify right side
    11,571.48x = 103,237,007.83
  5. Step 5: Solve for x
    x = 103,237,007.83/11,571.48
  6. Step 6: Final answer
    x = 8,921.67

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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.