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Finding the Fourth Proportional to 8,556.81, 11,824.63 and 6,174.60

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Solution

The fourth proportional to 8,556.81, 11,824.63 and 6,174.60 is: 8,532.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.81 : 11,824.63 = 6,174.60 : x
  2. Step 2: Convert to fraction form
    8,556.81/11,824.63 = 6,174.60/x
  3. Step 3: Cross multiply
    8,556.81x = 11,824.63 × 6,174.60
  4. Step 4: Simplify right side
    8,556.81x = 73,012,335.35
  5. Step 5: Solve for x
    x = 73,012,335.35/8,556.81
  6. Step 6: Final answer
    x = 8,532.66

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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.