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Finding the Fourth Proportional to 8,124.99, 12,188.99 and 2,576.84

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Solution

The fourth proportional to 8,124.99, 12,188.99 and 2,576.84 is: 3,865.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.99 : 12,188.99 = 2,576.84 : x
  2. Step 2: Convert to fraction form
    8,124.99/12,188.99 = 2,576.84/x
  3. Step 3: Cross multiply
    8,124.99x = 12,188.99 × 2,576.84
  4. Step 4: Simplify right side
    8,124.99x = 31,409,076.99
  5. Step 5: Solve for x
    x = 31,409,076.99/8,124.99
  6. Step 6: Final answer
    x = 3,865.74

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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.