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Finding the Fourth Proportional to 17,661.13, 26,491.71 and 5,975.26

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Solution

The fourth proportional to 17,661.13, 26,491.71 and 5,975.26 is: 8,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,661.13 : 26,491.71 = 5,975.26 : x
  2. Step 2: Convert to fraction form
    17,661.13/26,491.71 = 5,975.26/x
  3. Step 3: Cross multiply
    17,661.13x = 26,491.71 × 5,975.26
  4. Step 4: Simplify right side
    17,661.13x = 158,294,855.09
  5. Step 5: Solve for x
    x = 158,294,855.09/17,661.13
  6. Step 6: Final answer
    x = 8,962.90

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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.