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Finding the Fourth Proportional to 17,644.35, 26,477.49 and 10,993.90

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Solution

The fourth proportional to 17,644.35, 26,477.49 and 10,993.90 is: 16,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,644.35 : 26,477.49 = 10,993.90 : x
  2. Step 2: Convert to fraction form
    17,644.35/26,477.49 = 10,993.90/x
  3. Step 3: Cross multiply
    17,644.35x = 26,477.49 × 10,993.90
  4. Step 4: Simplify right side
    17,644.35x = 291,090,877.31
  5. Step 5: Solve for x
    x = 291,090,877.31/17,644.35
  6. Step 6: Final answer
    x = 16,497.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.