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Finding the Fourth Proportional to 48,612.94, 73,182.02 and 43,724.86

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Solution

The fourth proportional to 48,612.94, 73,182.02 and 43,724.86 is: 65,823.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,612.94 : 73,182.02 = 43,724.86 : x
  2. Step 2: Convert to fraction form
    48,612.94/73,182.02 = 43,724.86/x
  3. Step 3: Cross multiply
    48,612.94x = 73,182.02 × 43,724.86
  4. Step 4: Simplify right side
    48,612.94x = 3,199,873,579.02
  5. Step 5: Solve for x
    x = 3,199,873,579.02/48,612.94
  6. Step 6: Final answer
    x = 65,823.49

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.