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Finding the Fourth Proportional to 55,493.39, 76,562.75 and 33,960.71

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Solution

The fourth proportional to 55,493.39, 76,562.75 and 33,960.71 is: 46,854.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,493.39 : 76,562.75 = 33,960.71 : x
  2. Step 2: Convert to fraction form
    55,493.39/76,562.75 = 33,960.71/x
  3. Step 3: Cross multiply
    55,493.39x = 76,562.75 × 33,960.71
  4. Step 4: Simplify right side
    55,493.39x = 2,600,125,625.86
  5. Step 5: Solve for x
    x = 2,600,125,625.86/55,493.39
  6. Step 6: Final answer
    x = 46,854.69

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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.