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Finding the Fourth Proportional to 36,068.76, 54,098.09 and 12,375.92

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Solution

The fourth proportional to 36,068.76, 54,098.09 and 12,375.92 is: 18,562.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,068.76 : 54,098.09 = 12,375.92 : x
  2. Step 2: Convert to fraction form
    36,068.76/54,098.09 = 12,375.92/x
  3. Step 3: Cross multiply
    36,068.76x = 54,098.09 × 12,375.92
  4. Step 4: Simplify right side
    36,068.76x = 669,513,633.99
  5. Step 5: Solve for x
    x = 669,513,633.99/36,068.76
  6. Step 6: Final answer
    x = 18,562.15

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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.