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Finding the Fourth Proportional to 17,159.40, 25,739.94 and 5,473.44

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Solution

The fourth proportional to 17,159.40, 25,739.94 and 5,473.44 is: 8,210.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,159.40 : 25,739.94 = 5,473.44 : x
  2. Step 2: Convert to fraction form
    17,159.40/25,739.94 = 5,473.44/x
  3. Step 3: Cross multiply
    17,159.40x = 25,739.94 × 5,473.44
  4. Step 4: Simplify right side
    17,159.40x = 140,886,017.19
  5. Step 5: Solve for x
    x = 140,886,017.19/17,159.40
  6. Step 6: Final answer
    x = 8,210.43

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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.