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Finding the Fourth Proportional to 11,950.42, 16,484.84 and 7,169.08

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Solution

The fourth proportional to 11,950.42, 16,484.84 and 7,169.08 is: 9,889.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,950.42 : 16,484.84 = 7,169.08 : x
  2. Step 2: Convert to fraction form
    11,950.42/16,484.84 = 7,169.08/x
  3. Step 3: Cross multiply
    11,950.42x = 16,484.84 × 7,169.08
  4. Step 4: Simplify right side
    11,950.42x = 118,181,136.75
  5. Step 5: Solve for x
    x = 118,181,136.75/11,950.42
  6. Step 6: Final answer
    x = 9,889.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.