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Finding the Fourth Proportional to 19,596.60, 27,043.50 and 10,644.27

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Solution

The fourth proportional to 19,596.60, 27,043.50 and 10,644.27 is: 14,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,596.60 : 27,043.50 = 10,644.27 : x
  2. Step 2: Convert to fraction form
    19,596.60/27,043.50 = 10,644.27/x
  3. Step 3: Cross multiply
    19,596.60x = 27,043.50 × 10,644.27
  4. Step 4: Simplify right side
    19,596.60x = 287,858,315.75
  5. Step 5: Solve for x
    x = 287,858,315.75/19,596.60
  6. Step 6: Final answer
    x = 14,689.20

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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.