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Finding the Fourth Proportional to 19,596.87, 27,043.88 and 10,644.45

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Solution

The fourth proportional to 19,596.87, 27,043.88 and 10,644.45 is: 14,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,596.87 : 27,043.88 = 10,644.45 : x
  2. Step 2: Convert to fraction form
    19,596.87/27,043.88 = 10,644.45/x
  3. Step 3: Cross multiply
    19,596.87x = 27,043.88 × 10,644.45
  4. Step 4: Simplify right side
    19,596.87x = 287,867,175.24
  5. Step 5: Solve for x
    x = 287,867,175.24/19,596.87
  6. Step 6: Final answer
    x = 14,689.45

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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.