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Finding the Fourth Proportional to 18,087.85, 24,969.88 and 12,048.14

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Solution

The fourth proportional to 18,087.85, 24,969.88 and 12,048.14 is: 16,632.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.85 : 24,969.88 = 12,048.14 : x
  2. Step 2: Convert to fraction form
    18,087.85/24,969.88 = 12,048.14/x
  3. Step 3: Cross multiply
    18,087.85x = 24,969.88 × 12,048.14
  4. Step 4: Simplify right side
    18,087.85x = 300,840,610.02
  5. Step 5: Solve for x
    x = 300,840,610.02/18,087.85
  6. Step 6: Final answer
    x = 16,632.19

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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.