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Finding the Fourth Proportional to 49,993.83, 68,998.99 and 28,768.99

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Solution

The fourth proportional to 49,993.83, 68,998.99 and 28,768.99 is: 39,705.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,993.83 : 68,998.99 = 28,768.99 : x
  2. Step 2: Convert to fraction form
    49,993.83/68,998.99 = 28,768.99/x
  3. Step 3: Cross multiply
    49,993.83x = 68,998.99 × 28,768.99
  4. Step 4: Simplify right side
    49,993.83x = 1,985,031,253.32
  5. Step 5: Solve for x
    x = 1,985,031,253.32/49,993.83
  6. Step 6: Final answer
    x = 39,705.52

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1.5x scale

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.