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Finding the Fourth Proportional to 17,305.25, 25,962.21 and 4,993.25

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Solution

The fourth proportional to 17,305.25, 25,962.21 and 4,993.25 is: 7,491.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,305.25 : 25,962.21 = 4,993.25 : x
  2. Step 2: Convert to fraction form
    17,305.25/25,962.21 = 4,993.25/x
  3. Step 3: Cross multiply
    17,305.25x = 25,962.21 × 4,993.25
  4. Step 4: Simplify right side
    17,305.25x = 129,635,805.08
  5. Step 5: Solve for x
    x = 129,635,805.08/17,305.25
  6. Step 6: Final answer
    x = 7,491.13

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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.