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Finding the Fourth Proportional to 57,700.90, 79,627.35 and 33,822.82

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Solution

The fourth proportional to 57,700.90, 79,627.35 and 33,822.82 is: 46,675.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,700.90 : 79,627.35 = 33,822.82 : x
  2. Step 2: Convert to fraction form
    57,700.90/79,627.35 = 33,822.82/x
  3. Step 3: Cross multiply
    57,700.90x = 79,627.35 × 33,822.82
  4. Step 4: Simplify right side
    57,700.90x = 2,693,221,526.13
  5. Step 5: Solve for x
    x = 2,693,221,526.13/57,700.90
  6. Step 6: Final answer
    x = 46,675.55

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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.