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Finding the Fourth Proportional to 18,104.36, 24,984.02 and 11,030.78

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Solution

The fourth proportional to 18,104.36, 24,984.02 and 11,030.78 is: 15,222.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104.36 : 24,984.02 = 11,030.78 : x
  2. Step 2: Convert to fraction form
    18,104.36/24,984.02 = 11,030.78/x
  3. Step 3: Cross multiply
    18,104.36x = 24,984.02 × 11,030.78
  4. Step 4: Simplify right side
    18,104.36x = 275,593,228.14
  5. Step 5: Solve for x
    x = 275,593,228.14/18,104.36
  6. Step 6: Final answer
    x = 15,222.48

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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.