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Finding the Fourth Proportional to 62,813.68, 94,208.90 and 28,611.39

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Solution

The fourth proportional to 62,813.68, 94,208.90 and 28,611.39 is: 42,911.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,813.68 : 94,208.90 = 28,611.39 : x
  2. Step 2: Convert to fraction form
    62,813.68/94,208.90 = 28,611.39/x
  3. Step 3: Cross multiply
    62,813.68x = 94,208.90 × 28,611.39
  4. Step 4: Simplify right side
    62,813.68x = 2,695,446,965.27
  5. Step 5: Solve for x
    x = 2,695,446,965.27/62,813.68
  6. Step 6: Final answer
    x = 42,911.79

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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.