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Finding the Fourth Proportional to 17,339.40, 26,009.10 and 6,958.60

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Solution

The fourth proportional to 17,339.40, 26,009.10 and 6,958.60 is: 10,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,339.40 : 26,009.10 = 6,958.60 : x
  2. Step 2: Convert to fraction form
    17,339.40/26,009.10 = 6,958.60/x
  3. Step 3: Cross multiply
    17,339.40x = 26,009.10 × 6,958.60
  4. Step 4: Simplify right side
    17,339.40x = 180,986,923.26
  5. Step 5: Solve for x
    x = 180,986,923.26/17,339.40
  6. Step 6: Final answer
    x = 10,437.90

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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.