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Finding the Fourth Proportional to 48,451.72, 66,865.36 and 27,230.94

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Solution

The fourth proportional to 48,451.72, 66,865.36 and 27,230.94 is: 37,579.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,451.72 : 66,865.36 = 27,230.94 : x
  2. Step 2: Convert to fraction form
    48,451.72/66,865.36 = 27,230.94/x
  3. Step 3: Cross multiply
    48,451.72x = 66,865.36 × 27,230.94
  4. Step 4: Simplify right side
    48,451.72x = 1,820,806,606.24
  5. Step 5: Solve for x
    x = 1,820,806,606.24/48,451.72
  6. Step 6: Final answer
    x = 37,579.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.