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Finding the Fourth Proportional to 16,893.65, 23,313.73 and 9,340.47

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Solution

The fourth proportional to 16,893.65, 23,313.73 and 9,340.47 is: 12,890.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,893.65 : 23,313.73 = 9,340.47 : x
  2. Step 2: Convert to fraction form
    16,893.65/23,313.73 = 9,340.47/x
  3. Step 3: Cross multiply
    16,893.65x = 23,313.73 × 9,340.47
  4. Step 4: Simplify right side
    16,893.65x = 217,761,163.55
  5. Step 5: Solve for x
    x = 217,761,163.55/16,893.65
  6. Step 6: Final answer
    x = 12,890.12

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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.