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Finding the Fourth Proportional to 11,699.80, 17,527.02 and 5,861.32

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Solution

The fourth proportional to 11,699.80, 17,527.02 and 5,861.32 is: 8,780.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.80 : 17,527.02 = 5,861.32 : x
  2. Step 2: Convert to fraction form
    11,699.80/17,527.02 = 5,861.32/x
  3. Step 3: Cross multiply
    11,699.80x = 17,527.02 × 5,861.32
  4. Step 4: Simplify right side
    11,699.80x = 102,731,472.87
  5. Step 5: Solve for x
    x = 102,731,472.87/11,699.80
  6. Step 6: Final answer
    x = 8,780.62

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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.