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Finding the Fourth Proportional to 17,044.76, 25,559.37 and 7,178.65

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Solution

The fourth proportional to 17,044.76, 25,559.37 and 7,178.65 is: 10,764.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,044.76 : 25,559.37 = 7,178.65 : x
  2. Step 2: Convert to fraction form
    17,044.76/25,559.37 = 7,178.65/x
  3. Step 3: Cross multiply
    17,044.76x = 25,559.37 × 7,178.65
  4. Step 4: Simplify right side
    17,044.76x = 183,481,707.55
  5. Step 5: Solve for x
    x = 183,481,707.55/17,044.76
  6. Step 6: Final answer
    x = 10,764.70

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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.