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Finding the Fourth Proportional to 48,887.91, 73,366.83 and 20,827.62

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Solution

The fourth proportional to 48,887.91, 73,366.83 and 20,827.62 is: 31,256.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,887.91 : 73,366.83 = 20,827.62 : x
  2. Step 2: Convert to fraction form
    48,887.91/73,366.83 = 20,827.62/x
  3. Step 3: Cross multiply
    48,887.91x = 73,366.83 × 20,827.62
  4. Step 4: Simplify right side
    48,887.91x = 1,528,056,455.84
  5. Step 5: Solve for x
    x = 1,528,056,455.84/48,887.91
  6. Step 6: Final answer
    x = 31,256.33

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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.