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Finding the Fourth Proportional to 51,054.58, 76,581.86 and 15,516.19

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Solution

The fourth proportional to 51,054.58, 76,581.86 and 15,516.19 is: 23,274.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,054.58 : 76,581.86 = 15,516.19 : x
  2. Step 2: Convert to fraction form
    51,054.58/76,581.86 = 15,516.19/x
  3. Step 3: Cross multiply
    51,054.58x = 76,581.86 × 15,516.19
  4. Step 4: Simplify right side
    51,054.58x = 1,188,258,609.08
  5. Step 5: Solve for x
    x = 1,188,258,609.08/51,054.58
  6. Step 6: Final answer
    x = 23,274.28

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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.