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Finding the Fourth Proportional to 18,495.80, 27,714.48 and 15,016.04

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Solution

The fourth proportional to 18,495.80, 27,714.48 and 15,016.04 is: 22,500.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,495.80 : 27,714.48 = 15,016.04 : x
  2. Step 2: Convert to fraction form
    18,495.80/27,714.48 = 15,016.04/x
  3. Step 3: Cross multiply
    18,495.80x = 27,714.48 × 15,016.04
  4. Step 4: Simplify right side
    18,495.80x = 416,161,740.26
  5. Step 5: Solve for x
    x = 416,161,740.26/18,495.80
  6. Step 6: Final answer
    x = 22,500.34

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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.