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Finding the Fourth Proportional to 8,889.94, 13,336.35 and 2,732.50

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Solution

The fourth proportional to 8,889.94, 13,336.35 and 2,732.50 is: 4,099.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.94 : 13,336.35 = 2,732.50 : x
  2. Step 2: Convert to fraction form
    8,889.94/13,336.35 = 2,732.50/x
  3. Step 3: Cross multiply
    8,889.94x = 13,336.35 × 2,732.50
  4. Step 4: Simplify right side
    8,889.94x = 36,441,576.38
  5. Step 5: Solve for x
    x = 36,441,576.38/8,889.94
  6. Step 6: Final answer
    x = 4,099.19

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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.