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Finding the Fourth Proportional to 18,571.97, 27,818.54 and 14,604.39

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Solution

The fourth proportional to 18,571.97, 27,818.54 and 14,604.39 is: 21,875.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571.97 : 27,818.54 = 14,604.39 : x
  2. Step 2: Convert to fraction form
    18,571.97/27,818.54 = 14,604.39/x
  3. Step 3: Cross multiply
    18,571.97x = 27,818.54 × 14,604.39
  4. Step 4: Simplify right side
    18,571.97x = 406,272,807.39
  5. Step 5: Solve for x
    x = 406,272,807.39/18,571.97
  6. Step 6: Final answer
    x = 21,875.59

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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.