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Finding the Fourth Proportional to 48,479.22, 72,746.55 and 22,183.74

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Solution

The fourth proportional to 48,479.22, 72,746.55 and 22,183.74 is: 33,288.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,479.22 : 72,746.55 = 22,183.74 : x
  2. Step 2: Convert to fraction form
    48,479.22/72,746.55 = 22,183.74/x
  3. Step 3: Cross multiply
    48,479.22x = 72,746.55 × 22,183.74
  4. Step 4: Simplify right side
    48,479.22x = 1,613,790,551.10
  5. Step 5: Solve for x
    x = 1,613,790,551.10/48,479.22
  6. Step 6: Final answer
    x = 33,288.29

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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.