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Finding the Fourth Proportional to 18,832.53, 28,253.55 and 8,696.03

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Solution

The fourth proportional to 18,832.53, 28,253.55 and 8,696.03 is: 13,046.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,832.53 : 28,253.55 = 8,696.03 : x
  2. Step 2: Convert to fraction form
    18,832.53/28,253.55 = 8,696.03/x
  3. Step 3: Cross multiply
    18,832.53x = 28,253.55 × 8,696.03
  4. Step 4: Simplify right side
    18,832.53x = 245,693,609.75
  5. Step 5: Solve for x
    x = 245,693,609.75/18,832.53
  6. Step 6: Final answer
    x = 13,046.23

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1.5x scale

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.