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Finding the Fourth Proportional to 48,995.90, 73,470.08 and 28,738.18

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Solution

The fourth proportional to 48,995.90, 73,470.08 and 28,738.18 is: 43,093.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,995.90 : 73,470.08 = 28,738.18 : x
  2. Step 2: Convert to fraction form
    48,995.90/73,470.08 = 28,738.18/x
  3. Step 3: Cross multiply
    48,995.90x = 73,470.08 × 28,738.18
  4. Step 4: Simplify right side
    48,995.90x = 2,111,396,331.80
  5. Step 5: Solve for x
    x = 2,111,396,331.80/48,995.90
  6. Step 6: Final answer
    x = 43,093.33

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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.