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Finding the Fourth Proportional to 17,975.71, 26,963.63 and 5,495.69

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Solution

The fourth proportional to 17,975.71, 26,963.63 and 5,495.69 is: 8,243.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,975.71 : 26,963.63 = 5,495.69 : x
  2. Step 2: Convert to fraction form
    17,975.71/26,963.63 = 5,495.69/x
  3. Step 3: Cross multiply
    17,975.71x = 26,963.63 × 5,495.69
  4. Step 4: Simplify right side
    17,975.71x = 148,183,589.46
  5. Step 5: Solve for x
    x = 148,183,589.46/17,975.71
  6. Step 6: Final answer
    x = 8,243.55

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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.