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Finding the Fourth Proportional to 57,877.88, 79,881.71 and 34,004.54

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Solution

The fourth proportional to 57,877.88, 79,881.71 and 34,004.54 is: 46,932.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,877.88 : 79,881.71 = 34,004.54 : x
  2. Step 2: Convert to fraction form
    57,877.88/79,881.71 = 34,004.54/x
  3. Step 3: Cross multiply
    57,877.88x = 79,881.71 × 34,004.54
  4. Step 4: Simplify right side
    57,877.88x = 2,716,340,832.64
  5. Step 5: Solve for x
    x = 2,716,340,832.64/57,877.88
  6. Step 6: Final answer
    x = 46,932.28

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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.