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Finding the Fourth Proportional to 18,383.95, 25,204.61 and 18,051.80

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Solution

The fourth proportional to 18,383.95, 25,204.61 and 18,051.80 is: 24,749.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.95 : 25,204.61 = 18,051.80 : x
  2. Step 2: Convert to fraction form
    18,383.95/25,204.61 = 18,051.80/x
  3. Step 3: Cross multiply
    18,383.95x = 25,204.61 × 18,051.80
  4. Step 4: Simplify right side
    18,383.95x = 454,988,362.52
  5. Step 5: Solve for x
    x = 454,988,362.52/18,383.95
  6. Step 6: Final answer
    x = 24,749.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.