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Finding the Fourth Proportional to 17,226.30, 25,838.84 and 4,914.30

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Solution

The fourth proportional to 17,226.30, 25,838.84 and 4,914.30 is: 7,371.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,226.30 : 25,838.84 = 4,914.30 : x
  2. Step 2: Convert to fraction form
    17,226.30/25,838.84 = 4,914.30/x
  3. Step 3: Cross multiply
    17,226.30x = 25,838.84 × 4,914.30
  4. Step 4: Simplify right side
    17,226.30x = 126,979,811.41
  5. Step 5: Solve for x
    x = 126,979,811.41/17,226.30
  6. Step 6: Final answer
    x = 7,371.28

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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.