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Finding the Fourth Proportional to 18,034.34, 27,027.93 and 13,053.48

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Solution

The fourth proportional to 18,034.34, 27,027.93 and 13,053.48 is: 19,563.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,034.34 : 27,027.93 = 13,053.48 : x
  2. Step 2: Convert to fraction form
    18,034.34/27,027.93 = 13,053.48/x
  3. Step 3: Cross multiply
    18,034.34x = 27,027.93 × 13,053.48
  4. Step 4: Simplify right side
    18,034.34x = 352,808,543.70
  5. Step 5: Solve for x
    x = 352,808,543.70/18,034.34
  6. Step 6: Final answer
    x = 19,563.15

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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.