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Finding the Fourth Proportional to 18,531.90, 27,804.02 and 6,052.43

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Solution

The fourth proportional to 18,531.90, 27,804.02 and 6,052.43 is: 9,080.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.90 : 27,804.02 = 6,052.43 : x
  2. Step 2: Convert to fraction form
    18,531.90/27,804.02 = 6,052.43/x
  3. Step 3: Cross multiply
    18,531.90x = 27,804.02 × 6,052.43
  4. Step 4: Simplify right side
    18,531.90x = 168,281,715.49
  5. Step 5: Solve for x
    x = 168,281,715.49/18,531.90
  6. Step 6: Final answer
    x = 9,080.65

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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.