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Finding the Fourth Proportional to 38,100.87, 52,582.99 and 28,523.88

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Solution

The fourth proportional to 38,100.87, 52,582.99 and 28,523.88 is: 39,365.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,100.87 : 52,582.99 = 28,523.88 : x
  2. Step 2: Convert to fraction form
    38,100.87/52,582.99 = 28,523.88/x
  3. Step 3: Cross multiply
    38,100.87x = 52,582.99 × 28,523.88
  4. Step 4: Simplify right side
    38,100.87x = 1,499,870,896.80
  5. Step 5: Solve for x
    x = 1,499,870,896.80/38,100.87
  6. Step 6: Final answer
    x = 39,365.79

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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.