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Finding the Fourth Proportional to 17,644.80, 26,470.08 and 5,958.72

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Solution

The fourth proportional to 17,644.80, 26,470.08 and 5,958.72 is: 8,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,644.80 : 26,470.08 = 5,958.72 : x
  2. Step 2: Convert to fraction form
    17,644.80/26,470.08 = 5,958.72/x
  3. Step 3: Cross multiply
    17,644.80x = 26,470.08 × 5,958.72
  4. Step 4: Simplify right side
    17,644.80x = 157,727,795.10
  5. Step 5: Solve for x
    x = 157,727,795.10/17,644.80
  6. Step 6: Final answer
    x = 8,939.05

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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.