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Finding the Fourth Proportional to 61,554.92, 92,347.94 and 17,181.64

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Solution

The fourth proportional to 61,554.92, 92,347.94 and 17,181.64 is: 25,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,554.92 : 92,347.94 = 17,181.64 : x
  2. Step 2: Convert to fraction form
    61,554.92/92,347.94 = 17,181.64/x
  3. Step 3: Cross multiply
    61,554.92x = 92,347.94 × 17,181.64
  4. Step 4: Simplify right side
    61,554.92x = 1,586,689,059.82
  5. Step 5: Solve for x
    x = 1,586,689,059.82/61,554.92
  6. Step 6: Final answer
    x = 25,776.80

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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.