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Finding the Fourth Proportional to 18,793.24, 28,176.52 and 9,426.52

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Solution

The fourth proportional to 18,793.24, 28,176.52 and 9,426.52 is: 14,133.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,793.24 : 28,176.52 = 9,426.52 : x
  2. Step 2: Convert to fraction form
    18,793.24/28,176.52 = 9,426.52/x
  3. Step 3: Cross multiply
    18,793.24x = 28,176.52 × 9,426.52
  4. Step 4: Simplify right side
    18,793.24x = 265,606,529.31
  5. Step 5: Solve for x
    x = 265,606,529.31/18,793.24
  6. Step 6: Final answer
    x = 14,133.09

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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.