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Finding the Fourth Proportional to 17,449.94, 26,140.80 and 13,947.32

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Solution

The fourth proportional to 17,449.94, 26,140.80 and 13,947.32 is: 20,893.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,449.94 : 26,140.80 = 13,947.32 : x
  2. Step 2: Convert to fraction form
    17,449.94/26,140.80 = 13,947.32/x
  3. Step 3: Cross multiply
    17,449.94x = 26,140.80 × 13,947.32
  4. Step 4: Simplify right side
    17,449.94x = 364,594,102.66
  5. Step 5: Solve for x
    x = 364,594,102.66/17,449.94
  6. Step 6: Final answer
    x = 20,893.72

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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.