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Finding the Fourth Proportional to 50,755.21, 70,041.22 and 28,094.22

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Solution

The fourth proportional to 50,755.21, 70,041.22 and 28,094.22 is: 38,769.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,755.21 : 70,041.22 = 28,094.22 : x
  2. Step 2: Convert to fraction form
    50,755.21/70,041.22 = 28,094.22/x
  3. Step 3: Cross multiply
    50,755.21x = 70,041.22 × 28,094.22
  4. Step 4: Simplify right side
    50,755.21x = 1,967,753,373.51
  5. Step 5: Solve for x
    x = 1,967,753,373.51/50,755.21
  6. Step 6: Final answer
    x = 38,769.49

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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.