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Finding the Fourth Proportional to 18,608.57, 25,705.95 and 16,927.01

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Solution

The fourth proportional to 18,608.57, 25,705.95 and 16,927.01 is: 23,383.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608.57 : 25,705.95 = 16,927.01 : x
  2. Step 2: Convert to fraction form
    18,608.57/25,705.95 = 16,927.01/x
  3. Step 3: Cross multiply
    18,608.57x = 25,705.95 × 16,927.01
  4. Step 4: Simplify right side
    18,608.57x = 435,124,744.18
  5. Step 5: Solve for x
    x = 435,124,744.18/18,608.57
  6. Step 6: Final answer
    x = 23,383.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.