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Finding the Fourth Proportional to 17,776.67, 24,541.61 and 12,119.68

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Solution

The fourth proportional to 17,776.67, 24,541.61 and 12,119.68 is: 16,731.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,776.67 : 24,541.61 = 12,119.68 : x
  2. Step 2: Convert to fraction form
    17,776.67/24,541.61 = 12,119.68/x
  3. Step 3: Cross multiply
    17,776.67x = 24,541.61 × 12,119.68
  4. Step 4: Simplify right side
    17,776.67x = 297,436,558.00
  5. Step 5: Solve for x
    x = 297,436,558.00/17,776.67
  6. Step 6: Final answer
    x = 16,731.85

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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.