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Finding the Fourth Proportional to 57,963.40, 87,050.70 and 34,635.40

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Solution

The fourth proportional to 57,963.40, 87,050.70 and 34,635.40 is: 52,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,963.40 : 87,050.70 = 34,635.40 : x
  2. Step 2: Convert to fraction form
    57,963.40/87,050.70 = 34,635.40/x
  3. Step 3: Cross multiply
    57,963.40x = 87,050.70 × 34,635.40
  4. Step 4: Simplify right side
    57,963.40x = 3,015,035,814.78
  5. Step 5: Solve for x
    x = 3,015,035,814.78/57,963.40
  6. Step 6: Final answer
    x = 52,016.20

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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.