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Finding the Fourth Proportional to 9,991.98, 14,987.97 and 5,063.03

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Solution

The fourth proportional to 9,991.98, 14,987.97 and 5,063.03 is: 7,594.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991.98 : 14,987.97 = 5,063.03 : x
  2. Step 2: Convert to fraction form
    9,991.98/14,987.97 = 5,063.03/x
  3. Step 3: Cross multiply
    9,991.98x = 14,987.97 × 5,063.03
  4. Step 4: Simplify right side
    9,991.98x = 75,884,523.01
  5. Step 5: Solve for x
    x = 75,884,523.01/9,991.98
  6. Step 6: Final answer
    x = 7,594.54

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Similar ratio
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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.