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Finding the Fourth Proportional to 60,959.64, 84,131.28 and 34,108.95

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Solution

The fourth proportional to 60,959.64, 84,131.28 and 34,108.95 is: 47,074.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,959.64 : 84,131.28 = 34,108.95 : x
  2. Step 2: Convert to fraction form
    60,959.64/84,131.28 = 34,108.95/x
  3. Step 3: Cross multiply
    60,959.64x = 84,131.28 × 34,108.95
  4. Step 4: Simplify right side
    60,959.64x = 2,869,629,622.96
  5. Step 5: Solve for x
    x = 2,869,629,622.96/60,959.64
  6. Step 6: Final answer
    x = 47,074.25

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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.