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Finding the Fourth Proportional to 50,755.50, 70,040.84 and 28,095.48

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Solution

The fourth proportional to 50,755.50, 70,040.84 and 28,095.48 is: 38,770.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,755.50 : 70,040.84 = 28,095.48 : x
  2. Step 2: Convert to fraction form
    50,755.50/70,040.84 = 28,095.48/x
  3. Step 3: Cross multiply
    50,755.50x = 70,040.84 × 28,095.48
  4. Step 4: Simplify right side
    50,755.50x = 1,967,830,878.93
  5. Step 5: Solve for x
    x = 1,967,830,878.93/50,755.50
  6. Step 6: Final answer
    x = 38,770.79

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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.