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Finding the Fourth Proportional to 16,619.81, 24,912.61 and 7,258.08

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Solution

The fourth proportional to 16,619.81, 24,912.61 and 7,258.08 is: 10,879.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,619.81 : 24,912.61 = 7,258.08 : x
  2. Step 2: Convert to fraction form
    16,619.81/24,912.61 = 7,258.08/x
  3. Step 3: Cross multiply
    16,619.81x = 24,912.61 × 7,258.08
  4. Step 4: Simplify right side
    16,619.81x = 180,817,716.39
  5. Step 5: Solve for x
    x = 180,817,716.39/16,619.81
  6. Step 6: Final answer
    x = 10,879.65

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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.