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Finding the Fourth Proportional to 18,176.10, 27,276.30 and 8,310.30

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Solution

The fourth proportional to 18,176.10, 27,276.30 and 8,310.30 is: 12,471.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.10 : 27,276.30 = 8,310.30 : x
  2. Step 2: Convert to fraction form
    18,176.10/27,276.30 = 8,310.30/x
  3. Step 3: Cross multiply
    18,176.10x = 27,276.30 × 8,310.30
  4. Step 4: Simplify right side
    18,176.10x = 226,674,235.89
  5. Step 5: Solve for x
    x = 226,674,235.89/18,176.10
  6. Step 6: Final answer
    x = 12,471.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.