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Finding the Fourth Proportional to 18,213.66, 27,304.02 and 6,524.28

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Solution

The fourth proportional to 18,213.66, 27,304.02 and 6,524.28 is: 9,780.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.66 : 27,304.02 = 6,524.28 : x
  2. Step 2: Convert to fraction form
    18,213.66/27,304.02 = 6,524.28/x
  3. Step 3: Cross multiply
    18,213.66x = 27,304.02 × 6,524.28
  4. Step 4: Simplify right side
    18,213.66x = 178,139,071.61
  5. Step 5: Solve for x
    x = 178,139,071.61/18,213.66
  6. Step 6: Final answer
    x = 9,780.52

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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.