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Finding the Fourth Proportional to 19,593.25, 27,038.73 and 10,640.90

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Solution

The fourth proportional to 19,593.25, 27,038.73 and 10,640.90 is: 14,684.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,593.25 : 27,038.73 = 10,640.90 : x
  2. Step 2: Convert to fraction form
    19,593.25/27,038.73 = 10,640.90/x
  3. Step 3: Cross multiply
    19,593.25x = 27,038.73 × 10,640.90
  4. Step 4: Simplify right side
    19,593.25x = 287,716,529.56
  5. Step 5: Solve for x
    x = 287,716,529.56/19,593.25
  6. Step 6: Final answer
    x = 14,684.47

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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.