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Finding the Fourth Proportional to 8,660.44, 11,950.95 and 5,076.10

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Solution

The fourth proportional to 8,660.44, 11,950.95 and 5,076.10 is: 7,004.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660.44 : 11,950.95 = 5,076.10 : x
  2. Step 2: Convert to fraction form
    8,660.44/11,950.95 = 5,076.10/x
  3. Step 3: Cross multiply
    8,660.44x = 11,950.95 × 5,076.10
  4. Step 4: Simplify right side
    8,660.44x = 60,664,217.30
  5. Step 5: Solve for x
    x = 60,664,217.30/8,660.44
  6. Step 6: Final answer
    x = 7,004.75

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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.