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Finding the Fourth Proportional to 19,596.54, 27,043.41 and 10,644.21

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Solution

The fourth proportional to 19,596.54, 27,043.41 and 10,644.21 is: 14,689.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,596.54 : 27,043.41 = 10,644.21 : x
  2. Step 2: Convert to fraction form
    19,596.54/27,043.41 = 10,644.21/x
  3. Step 3: Cross multiply
    19,596.54x = 27,043.41 × 10,644.21
  4. Step 4: Simplify right side
    19,596.54x = 287,855,735.16
  5. Step 5: Solve for x
    x = 287,855,735.16/19,596.54
  6. Step 6: Final answer
    x = 14,689.11

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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.