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Finding the Fourth Proportional to 35,226.69, 48,611.00 and 20,116.38

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Solution

The fourth proportional to 35,226.69, 48,611.00 and 20,116.38 is: 27,759.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,226.69 : 48,611.00 = 20,116.38 : x
  2. Step 2: Convert to fraction form
    35,226.69/48,611.00 = 20,116.38/x
  3. Step 3: Cross multiply
    35,226.69x = 48,611.00 × 20,116.38
  4. Step 4: Simplify right side
    35,226.69x = 977,877,580.76
  5. Step 5: Solve for x
    x = 977,877,580.76/35,226.69
  6. Step 6: Final answer
    x = 27,759.57

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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.