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Finding the Fourth Proportional to 13,034.13, 18,001.94 and 8,835.09

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Solution

The fourth proportional to 13,034.13, 18,001.94 and 8,835.09 is: 12,202.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,034.13 : 18,001.94 = 8,835.09 : x
  2. Step 2: Convert to fraction form
    13,034.13/18,001.94 = 8,835.09/x
  3. Step 3: Cross multiply
    13,034.13x = 18,001.94 × 8,835.09
  4. Step 4: Simplify right side
    13,034.13x = 159,048,760.07
  5. Step 5: Solve for x
    x = 159,048,760.07/13,034.13
  6. Step 6: Final answer
    x = 12,202.48

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1.5x scale

Why These Related Problems?

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