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Finding the Fourth Proportional to 17,385.94, 26,079.81 and 13,232.44

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Solution

The fourth proportional to 17,385.94, 26,079.81 and 13,232.44 is: 19,849.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,385.94 : 26,079.81 = 13,232.44 : x
  2. Step 2: Convert to fraction form
    17,385.94/26,079.81 = 13,232.44/x
  3. Step 3: Cross multiply
    17,385.94x = 26,079.81 × 13,232.44
  4. Step 4: Simplify right side
    17,385.94x = 345,099,521.04
  5. Step 5: Solve for x
    x = 345,099,521.04/17,385.94
  6. Step 6: Final answer
    x = 19,849.34

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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.