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Finding the Fourth Proportional to 61,323.45, 84,624.14 and 34,467.42

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Solution

The fourth proportional to 61,323.45, 84,624.14 and 34,467.42 is: 47,563.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,323.45 : 84,624.14 = 34,467.42 : x
  2. Step 2: Convert to fraction form
    61,323.45/84,624.14 = 34,467.42/x
  3. Step 3: Cross multiply
    61,323.45x = 84,624.14 × 34,467.42
  4. Step 4: Simplify right side
    61,323.45x = 2,916,776,179.03
  5. Step 5: Solve for x
    x = 2,916,776,179.03/61,323.45
  6. Step 6: Final answer
    x = 47,563.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.