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Finding the Fourth Proportional to 12,576.84, 18,865.26 and 6,007.68

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Solution

The fourth proportional to 12,576.84, 18,865.26 and 6,007.68 is: 9,011.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576.84 : 18,865.26 = 6,007.68 : x
  2. Step 2: Convert to fraction form
    12,576.84/18,865.26 = 6,007.68/x
  3. Step 3: Cross multiply
    12,576.84x = 18,865.26 × 6,007.68
  4. Step 4: Simplify right side
    12,576.84x = 113,336,445.20
  5. Step 5: Solve for x
    x = 113,336,445.20/12,576.84
  6. Step 6: Final answer
    x = 9,011.52

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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.