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Finding the Fourth Proportional to 17,940.71, 26,872.62 and 14,593.07

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Solution

The fourth proportional to 17,940.71, 26,872.62 and 14,593.07 is: 21,858.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,940.71 : 26,872.62 = 14,593.07 : x
  2. Step 2: Convert to fraction form
    17,940.71/26,872.62 = 14,593.07/x
  3. Step 3: Cross multiply
    17,940.71x = 26,872.62 × 14,593.07
  4. Step 4: Simplify right side
    17,940.71x = 392,154,024.74
  5. Step 5: Solve for x
    x = 392,154,024.74/17,940.71
  6. Step 6: Final answer
    x = 21,858.33

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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.