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Finding the Fourth Proportional to 16,041.36, 22,136.88 and 8,968.08

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Solution

The fourth proportional to 16,041.36, 22,136.88 and 8,968.08 is: 12,375.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,041.36 : 22,136.88 = 8,968.08 : x
  2. Step 2: Convert to fraction form
    16,041.36/22,136.88 = 8,968.08/x
  3. Step 3: Cross multiply
    16,041.36x = 22,136.88 × 8,968.08
  4. Step 4: Simplify right side
    16,041.36x = 198,525,310.79
  5. Step 5: Solve for x
    x = 198,525,310.79/16,041.36
  6. Step 6: Final answer
    x = 12,375.84

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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.