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Finding the Fourth Proportional to 48,433.80, 66,830.22 and 27,213.96

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Solution

The fourth proportional to 48,433.80, 66,830.22 and 27,213.96 is: 37,550.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,433.80 : 66,830.22 = 27,213.96 : x
  2. Step 2: Convert to fraction form
    48,433.80/66,830.22 = 27,213.96/x
  3. Step 3: Cross multiply
    48,433.80x = 66,830.22 × 27,213.96
  4. Step 4: Simplify right side
    48,433.80x = 1,818,714,933.87
  5. Step 5: Solve for x
    x = 1,818,714,933.87/48,433.80
  6. Step 6: Final answer
    x = 37,550.53

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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.