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Finding the Fourth Proportional to 13,076.80, 19,609.07 and 4,751.01

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Solution

The fourth proportional to 13,076.80, 19,609.07 and 4,751.01 is: 7,124.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076.80 : 19,609.07 = 4,751.01 : x
  2. Step 2: Convert to fraction form
    13,076.80/19,609.07 = 4,751.01/x
  3. Step 3: Cross multiply
    13,076.80x = 19,609.07 × 4,751.01
  4. Step 4: Simplify right side
    13,076.80x = 93,162,863.91
  5. Step 5: Solve for x
    x = 93,162,863.91/13,076.80
  6. Step 6: Final answer
    x = 7,124.29

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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.