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Finding the Fourth Proportional to 19,596.35, 27,043.16 and 10,644.03

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Solution

The fourth proportional to 19,596.35, 27,043.16 and 10,644.03 is: 14,688.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,596.35 : 27,043.16 = 10,644.03 : x
  2. Step 2: Convert to fraction form
    19,596.35/27,043.16 = 10,644.03/x
  3. Step 3: Cross multiply
    19,596.35x = 27,043.16 × 10,644.03
  4. Step 4: Simplify right side
    19,596.35x = 287,848,153.11
  5. Step 5: Solve for x
    x = 287,848,153.11/19,596.35
  6. Step 6: Final answer
    x = 14,688.87

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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.