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Finding the Fourth Proportional to 57,775.55, 79,733.97 and 33,893.51

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Solution

The fourth proportional to 57,775.55, 79,733.97 and 33,893.51 is: 46,775.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,775.55 : 79,733.97 = 33,893.51 : x
  2. Step 2: Convert to fraction form
    57,775.55/79,733.97 = 33,893.51/x
  3. Step 3: Cross multiply
    57,775.55x = 79,733.97 × 33,893.51
  4. Step 4: Simplify right side
    57,775.55x = 2,702,463,710.86
  5. Step 5: Solve for x
    x = 2,702,463,710.86/57,775.55
  6. Step 6: Final answer
    x = 46,775.22

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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.