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Finding the Fourth Proportional to 8,624.32, 12,936.08 and 2,468.32

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Solution

The fourth proportional to 8,624.32, 12,936.08 and 2,468.32 is: 3,702.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,624.32 : 12,936.08 = 2,468.32 : x
  2. Step 2: Convert to fraction form
    8,624.32/12,936.08 = 2,468.32/x
  3. Step 3: Cross multiply
    8,624.32x = 12,936.08 × 2,468.32
  4. Step 4: Simplify right side
    8,624.32x = 31,930,384.99
  5. Step 5: Solve for x
    x = 31,930,384.99/8,624.32
  6. Step 6: Final answer
    x = 3,702.37

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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.