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Finding the Fourth Proportional to 16,357.20, 24,510.60 and 12,177.60

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Solution

The fourth proportional to 16,357.20, 24,510.60 and 12,177.60 is: 18,247.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,357.20 : 24,510.60 = 12,177.60 : x
  2. Step 2: Convert to fraction form
    16,357.20/24,510.60 = 12,177.60/x
  3. Step 3: Cross multiply
    16,357.20x = 24,510.60 × 12,177.60
  4. Step 4: Simplify right side
    16,357.20x = 298,480,282.56
  5. Step 5: Solve for x
    x = 298,480,282.56/16,357.20
  6. Step 6: Final answer
    x = 18,247.64

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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.