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Finding the Fourth Proportional to 16,873.16, 25,318.88 and 7,019.24

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Solution

The fourth proportional to 16,873.16, 25,318.88 and 7,019.24 is: 10,532.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,873.16 : 25,318.88 = 7,019.24 : x
  2. Step 2: Convert to fraction form
    16,873.16/25,318.88 = 7,019.24/x
  3. Step 3: Cross multiply
    16,873.16x = 25,318.88 × 7,019.24
  4. Step 4: Simplify right side
    16,873.16x = 177,719,295.25
  5. Step 5: Solve for x
    x = 177,719,295.25/16,873.16
  6. Step 6: Final answer
    x = 10,532.66

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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.