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Finding the Fourth Proportional to 8,227.63, 12,341.45 and 6,576.45

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Solution

The fourth proportional to 8,227.63, 12,341.45 and 6,576.45 is: 9,864.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,227.63 : 12,341.45 = 6,576.45 : x
  2. Step 2: Convert to fraction form
    8,227.63/12,341.45 = 6,576.45/x
  3. Step 3: Cross multiply
    8,227.63x = 12,341.45 × 6,576.45
  4. Step 4: Simplify right side
    8,227.63x = 81,162,928.85
  5. Step 5: Solve for x
    x = 81,162,928.85/8,227.63
  6. Step 6: Final answer
    x = 9,864.68

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Half scale
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Double scale
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Similar ratio
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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.