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Finding the Fourth Proportional to 18,144.47, 25,042.10 and 11,075.00

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Solution

The fourth proportional to 18,144.47, 25,042.10 and 11,075.00 is: 15,285.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.47 : 25,042.10 = 11,075.00 : x
  2. Step 2: Convert to fraction form
    18,144.47/25,042.10 = 11,075.00/x
  3. Step 3: Cross multiply
    18,144.47x = 25,042.10 × 11,075.00
  4. Step 4: Simplify right side
    18,144.47x = 277,341,076.91
  5. Step 5: Solve for x
    x = 277,341,076.91/18,144.47
  6. Step 6: Final answer
    x = 15,285.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.