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Finding the Fourth Proportional to 9,663.88, 14,494.74 and 3,089.44

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Solution

The fourth proportional to 9,663.88, 14,494.74 and 3,089.44 is: 4,633.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,663.88 : 14,494.74 = 3,089.44 : x
  2. Step 2: Convert to fraction form
    9,663.88/14,494.74 = 3,089.44/x
  3. Step 3: Cross multiply
    9,663.88x = 14,494.74 × 3,089.44
  4. Step 4: Simplify right side
    9,663.88x = 44,780,629.55
  5. Step 5: Solve for x
    x = 44,780,629.55/9,663.88
  6. Step 6: Final answer
    x = 4,633.81

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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.