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Finding the Fourth Proportional to 57,965.21, 80,030.39 and 44,512.32

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Solution

The fourth proportional to 57,965.21, 80,030.39 and 44,512.32 is: 61,456.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,965.21 : 80,030.39 = 44,512.32 : x
  2. Step 2: Convert to fraction form
    57,965.21/80,030.39 = 44,512.32/x
  3. Step 3: Cross multiply
    57,965.21x = 80,030.39 × 44,512.32
  4. Step 4: Simplify right side
    57,965.21x = 3,562,338,329.40
  5. Step 5: Solve for x
    x = 3,562,338,329.40/57,965.21
  6. Step 6: Final answer
    x = 61,456.49

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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.