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Finding the Fourth Proportional to 11,340.65, 17,012.73 and 5,790.99

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Solution

The fourth proportional to 11,340.65, 17,012.73 and 5,790.99 is: 8,687.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.65 : 17,012.73 = 5,790.99 : x
  2. Step 2: Convert to fraction form
    11,340.65/17,012.73 = 5,790.99/x
  3. Step 3: Cross multiply
    11,340.65x = 17,012.73 × 5,790.99
  4. Step 4: Simplify right side
    11,340.65x = 98,520,549.30
  5. Step 5: Solve for x
    x = 98,520,549.30/11,340.65
  6. Step 6: Final answer
    x = 8,687.39

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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.