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Finding the Fourth Proportional to 18,052.48, 24,912.84 and 9,986.14

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Solution

The fourth proportional to 18,052.48, 24,912.84 and 9,986.14 is: 13,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,052.48 : 24,912.84 = 9,986.14 : x
  2. Step 2: Convert to fraction form
    18,052.48/24,912.84 = 9,986.14/x
  3. Step 3: Cross multiply
    18,052.48x = 24,912.84 × 9,986.14
  4. Step 4: Simplify right side
    18,052.48x = 248,783,108.04
  5. Step 5: Solve for x
    x = 248,783,108.04/18,052.48
  6. Step 6: Final answer
    x = 13,781.10

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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.