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Finding the Fourth Proportional to 57,959.64, 87,017.22 and 34,310.88

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Solution

The fourth proportional to 57,959.64, 87,017.22 and 34,310.88 is: 51,512.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,959.64 : 87,017.22 = 34,310.88 : x
  2. Step 2: Convert to fraction form
    57,959.64/87,017.22 = 34,310.88/x
  3. Step 3: Cross multiply
    57,959.64x = 87,017.22 × 34,310.88
  4. Step 4: Simplify right side
    57,959.64x = 2,985,637,393.35
  5. Step 5: Solve for x
    x = 2,985,637,393.35/57,959.64
  6. Step 6: Final answer
    x = 51,512.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.