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Finding the Fourth Proportional to 45,783.87, 68,552.77 and 29,053.32

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Solution

The fourth proportional to 45,783.87, 68,552.77 and 29,053.32 is: 43,501.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,783.87 : 68,552.77 = 29,053.32 : x
  2. Step 2: Convert to fraction form
    45,783.87/68,552.77 = 29,053.32/x
  3. Step 3: Cross multiply
    45,783.87x = 68,552.77 × 29,053.32
  4. Step 4: Simplify right side
    45,783.87x = 1,991,685,504.12
  5. Step 5: Solve for x
    x = 1,991,685,504.12/45,783.87
  6. Step 6: Final answer
    x = 43,501.90

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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.