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Finding the Fourth Proportional to 51,364.66, 70,877.95 and 35,245.80

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Solution

The fourth proportional to 51,364.66, 70,877.95 and 35,245.80 is: 48,635.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,364.66 : 70,877.95 = 35,245.80 : x
  2. Step 2: Convert to fraction form
    51,364.66/70,877.95 = 35,245.80/x
  3. Step 3: Cross multiply
    51,364.66x = 70,877.95 × 35,245.80
  4. Step 4: Simplify right side
    51,364.66x = 2,498,149,695.72
  5. Step 5: Solve for x
    x = 2,498,149,695.72/51,364.66
  6. Step 6: Final answer
    x = 48,635.57

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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.