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Finding the Fourth Proportional to 34,567.62, 51,879.11 and 15,856.47

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Solution

The fourth proportional to 34,567.62, 51,879.11 and 15,856.47 is: 23,797.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,567.62 : 51,879.11 = 15,856.47 : x
  2. Step 2: Convert to fraction form
    34,567.62/51,879.11 = 15,856.47/x
  3. Step 3: Cross multiply
    34,567.62x = 51,879.11 × 15,856.47
  4. Step 4: Simplify right side
    34,567.62x = 822,619,551.34
  5. Step 5: Solve for x
    x = 822,619,551.34/34,567.62
  6. Step 6: Final answer
    x = 23,797.40

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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.