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Finding the Fourth Proportional to 59,385.60, 81,959.04 and 34,236

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Solution

The fourth proportional to 59,385.60, 81,959.04 and 34,236 is: 47,249.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,385.60 : 81,959.04 = 34,236 : x
  2. Step 2: Convert to fraction form
    59,385.60/81,959.04 = 34,236/x
  3. Step 3: Cross multiply
    59,385.60x = 81,959.04 × 34,236
  4. Step 4: Simplify right side
    59,385.60x = 2,805,949,693.44
  5. Step 5: Solve for x
    x = 2,805,949,693.44/59,385.60
  6. Step 6: Final answer
    x = 47,249.66

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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.