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Finding the Fourth Proportional to 16,928.60, 23,362.34 and 9,375.75

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Solution

The fourth proportional to 16,928.60, 23,362.34 and 9,375.75 is: 12,939.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,928.60 : 23,362.34 = 9,375.75 : x
  2. Step 2: Convert to fraction form
    16,928.60/23,362.34 = 9,375.75/x
  3. Step 3: Cross multiply
    16,928.60x = 23,362.34 × 9,375.75
  4. Step 4: Simplify right side
    16,928.60x = 219,039,412.38
  5. Step 5: Solve for x
    x = 219,039,412.38/16,928.60
  6. Step 6: Final answer
    x = 12,939.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.