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Finding the Fourth Proportional to 17,861.87, 26,790.91 and 7,333.00

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Solution

The fourth proportional to 17,861.87, 26,790.91 and 7,333.00 is: 10,998.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,861.87 : 26,790.91 = 7,333.00 : x
  2. Step 2: Convert to fraction form
    17,861.87/26,790.91 = 7,333.00/x
  3. Step 3: Cross multiply
    17,861.87x = 26,790.91 × 7,333.00
  4. Step 4: Simplify right side
    17,861.87x = 196,457,657.72
  5. Step 5: Solve for x
    x = 196,457,657.72/17,861.87
  6. Step 6: Final answer
    x = 10,998.72

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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.