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Finding the Fourth Proportional to 57,741.88, 79,695.66 and 33,881.08

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Solution

The fourth proportional to 57,741.88, 79,695.66 and 33,881.08 is: 46,762.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,741.88 : 79,695.66 = 33,881.08 : x
  2. Step 2: Convert to fraction form
    57,741.88/79,695.66 = 33,881.08/x
  3. Step 3: Cross multiply
    57,741.88x = 79,695.66 × 33,881.08
  4. Step 4: Simplify right side
    57,741.88x = 2,700,175,032.11
  5. Step 5: Solve for x
    x = 2,700,175,032.11/57,741.88
  6. Step 6: Final answer
    x = 46,762.85

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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.