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Finding the Fourth Proportional to 61,063.99, 91,611.47 and 25,519.16

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Solution

The fourth proportional to 61,063.99, 91,611.47 and 25,519.16 is: 38,285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,063.99 : 91,611.47 = 25,519.16 : x
  2. Step 2: Convert to fraction form
    61,063.99/91,611.47 = 25,519.16/x
  3. Step 3: Cross multiply
    61,063.99x = 91,611.47 × 25,519.16
  4. Step 4: Simplify right side
    61,063.99x = 2,337,848,053.59
  5. Step 5: Solve for x
    x = 2,337,848,053.59/61,063.99
  6. Step 6: Final answer
    x = 38,285.22

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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.