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Finding the Fourth Proportional to 60,642.22, 90,795.39 and 30,996.22

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Solution

The fourth proportional to 60,642.22, 90,795.39 and 30,996.22 is: 46,408.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,642.22 : 90,795.39 = 30,996.22 : x
  2. Step 2: Convert to fraction form
    60,642.22/90,795.39 = 30,996.22/x
  3. Step 3: Cross multiply
    60,642.22x = 90,795.39 × 30,996.22
  4. Step 4: Simplify right side
    60,642.22x = 2,814,313,883.43
  5. Step 5: Solve for x
    x = 2,814,313,883.43/60,642.22
  6. Step 6: Final answer
    x = 46,408.49

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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.