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Finding the Fourth Proportional to 61,596.92, 92,396.82 and 20,047.16

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Solution

The fourth proportional to 61,596.92, 92,396.82 and 20,047.16 is: 30,071.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,596.92 : 92,396.82 = 20,047.16 : x
  2. Step 2: Convert to fraction form
    61,596.92/92,396.82 = 20,047.16/x
  3. Step 3: Cross multiply
    61,596.92x = 92,396.82 × 20,047.16
  4. Step 4: Simplify right side
    61,596.92x = 1,852,293,834.03
  5. Step 5: Solve for x
    x = 1,852,293,834.03/61,596.92
  6. Step 6: Final answer
    x = 30,071.21

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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.