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Finding the Fourth Proportional to 61,431.99, 92,137.71 and 17,063.22

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Solution

The fourth proportional to 61,431.99, 92,137.71 and 17,063.22 is: 25,591.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,431.99 : 92,137.71 = 17,063.22 : x
  2. Step 2: Convert to fraction form
    61,431.99/92,137.71 = 17,063.22/x
  3. Step 3: Cross multiply
    61,431.99x = 92,137.71 × 17,063.22
  4. Step 4: Simplify right side
    61,431.99x = 1,572,166,425.53
  5. Step 5: Solve for x
    x = 1,572,166,425.53/61,431.99
  6. Step 6: Final answer
    x = 25,591.98

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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.