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Finding the Fourth Proportional to 48,999.98, 67,624.99 and 28,863.20

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Solution

The fourth proportional to 48,999.98, 67,624.99 and 28,863.20 is: 39,834.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,999.98 : 67,624.99 = 28,863.20 : x
  2. Step 2: Convert to fraction form
    48,999.98/67,624.99 = 28,863.20/x
  3. Step 3: Cross multiply
    48,999.98x = 67,624.99 × 28,863.20
  4. Step 4: Simplify right side
    48,999.98x = 1,951,873,611.37
  5. Step 5: Solve for x
    x = 1,951,873,611.37/48,999.98
  6. Step 6: Final answer
    x = 39,834.17

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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.