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Finding the Fourth Proportional to 16,121.80, 24,172.98 and 7,364.08

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Solution

The fourth proportional to 16,121.80, 24,172.98 and 7,364.08 is: 11,041.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.80 : 24,172.98 = 7,364.08 : x
  2. Step 2: Convert to fraction form
    16,121.80/24,172.98 = 7,364.08/x
  3. Step 3: Cross multiply
    16,121.80x = 24,172.98 × 7,364.08
  4. Step 4: Simplify right side
    16,121.80x = 178,011,758.56
  5. Step 5: Solve for x
    x = 178,011,758.56/16,121.80
  6. Step 6: Final answer
    x = 11,041.68

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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.