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Finding the Fourth Proportional to 48,999.43, 73,406.66 and 28,949.10

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Solution

The fourth proportional to 48,999.43, 73,406.66 and 28,949.10 is: 43,369.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,999.43 : 73,406.66 = 28,949.10 : x
  2. Step 2: Convert to fraction form
    48,999.43/73,406.66 = 28,949.10/x
  3. Step 3: Cross multiply
    48,999.43x = 73,406.66 × 28,949.10
  4. Step 4: Simplify right side
    48,999.43x = 2,125,056,320.99
  5. Step 5: Solve for x
    x = 2,125,056,320.99/48,999.43
  6. Step 6: Final answer
    x = 43,369.00

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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.