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Finding the Fourth Proportional to 18,187.05, 25,096.10 and 10,229.10

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Solution

The fourth proportional to 18,187.05, 25,096.10 and 10,229.10 is: 14,115.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187.05 : 25,096.10 = 10,229.10 : x
  2. Step 2: Convert to fraction form
    18,187.05/25,096.10 = 10,229.10/x
  3. Step 3: Cross multiply
    18,187.05x = 25,096.10 × 10,229.10
  4. Step 4: Simplify right side
    18,187.05x = 256,710,512.42
  5. Step 5: Solve for x
    x = 256,710,512.42/18,187.05
  6. Step 6: Final answer
    x = 14,115.02

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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.