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Finding the Fourth Proportional to 18,706.96, 27,923.36 and 16,492.48

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Solution

The fourth proportional to 18,706.96, 27,923.36 and 16,492.48 is: 24,617.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,706.96 : 27,923.36 = 16,492.48 : x
  2. Step 2: Convert to fraction form
    18,706.96/27,923.36 = 16,492.48/x
  3. Step 3: Cross multiply
    18,706.96x = 27,923.36 × 16,492.48
  4. Step 4: Simplify right side
    18,706.96x = 460,525,456.33
  5. Step 5: Solve for x
    x = 460,525,456.33/18,706.96
  6. Step 6: Final answer
    x = 24,617.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.