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Finding the Fourth Proportional to 57,655.45, 79,566.50 and 33,454.59

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Solution

The fourth proportional to 57,655.45, 79,566.50 and 33,454.59 is: 46,168.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,655.45 : 79,566.50 = 33,454.59 : x
  2. Step 2: Convert to fraction form
    57,655.45/79,566.50 = 33,454.59/x
  3. Step 3: Cross multiply
    57,655.45x = 79,566.50 × 33,454.59
  4. Step 4: Simplify right side
    57,655.45x = 2,661,865,091.84
  5. Step 5: Solve for x
    x = 2,661,865,091.84/57,655.45
  6. Step 6: Final answer
    x = 46,168.49

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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.