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Finding the Fourth Proportional to 48,873.68, 73,310.82 and 13,813.64

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Solution

The fourth proportional to 48,873.68, 73,310.82 and 13,813.64 is: 20,720.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,873.68 : 73,310.82 = 13,813.64 : x
  2. Step 2: Convert to fraction form
    48,873.68/73,310.82 = 13,813.64/x
  3. Step 3: Cross multiply
    48,873.68x = 73,310.82 × 13,813.64
  4. Step 4: Simplify right side
    48,873.68x = 1,012,689,275.58
  5. Step 5: Solve for x
    x = 1,012,689,275.58/48,873.68
  6. Step 6: Final answer
    x = 20,720.54

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1.5x scale

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.