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Finding the Fourth Proportional to 11,867.92, 17,807.01 and 5,624.44

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Solution

The fourth proportional to 11,867.92, 17,807.01 and 5,624.44 is: 8,439.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,867.92 : 17,807.01 = 5,624.44 : x
  2. Step 2: Convert to fraction form
    11,867.92/17,807.01 = 5,624.44/x
  3. Step 3: Cross multiply
    11,867.92x = 17,807.01 × 5,624.44
  4. Step 4: Simplify right side
    11,867.92x = 100,154,459.32
  5. Step 5: Solve for x
    x = 100,154,459.32/11,867.92
  6. Step 6: Final answer
    x = 8,439.09

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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.