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Finding the Fourth Proportional to 56,480.22, 77,994.54 and 36,372.42

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Solution

The fourth proportional to 56,480.22, 77,994.54 and 36,372.42 is: 50,227.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,480.22 : 77,994.54 = 36,372.42 : x
  2. Step 2: Convert to fraction form
    56,480.22/77,994.54 = 36,372.42/x
  3. Step 3: Cross multiply
    56,480.22x = 77,994.54 × 36,372.42
  4. Step 4: Simplify right side
    56,480.22x = 2,836,850,166.59
  5. Step 5: Solve for x
    x = 2,836,850,166.59/56,480.22
  6. Step 6: Final answer
    x = 50,227.32

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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.