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Finding the Fourth Proportional to 19,593.47, 27,038.97 and 10,640.97

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Solution

The fourth proportional to 19,593.47, 27,038.97 and 10,640.97 is: 14,684.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,593.47 : 27,038.97 = 10,640.97 : x
  2. Step 2: Convert to fraction form
    19,593.47/27,038.97 = 10,640.97/x
  3. Step 3: Cross multiply
    19,593.47x = 27,038.97 × 10,640.97
  4. Step 4: Simplify right side
    19,593.47x = 287,720,868.60
  5. Step 5: Solve for x
    x = 287,720,868.60/19,593.47
  6. Step 6: Final answer
    x = 14,684.53

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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.