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Finding the Fourth Proportional to 18,604.94, 27,909.23 and 6,124.91

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Solution

The fourth proportional to 18,604.94, 27,909.23 and 6,124.91 is: 9,187.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604.94 : 27,909.23 = 6,124.91 : x
  2. Step 2: Convert to fraction form
    18,604.94/27,909.23 = 6,124.91/x
  3. Step 3: Cross multiply
    18,604.94x = 27,909.23 × 6,124.91
  4. Step 4: Simplify right side
    18,604.94x = 170,941,351.75
  5. Step 5: Solve for x
    x = 170,941,351.75/18,604.94
  6. Step 6: Final answer
    x = 9,187.96

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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.