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Finding the Fourth Proportional to 50,835.60, 76,340.88 and 48,648.60

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Solution

The fourth proportional to 50,835.60, 76,340.88 and 48,648.60 is: 73,056.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,835.60 : 76,340.88 = 48,648.60 : x
  2. Step 2: Convert to fraction form
    50,835.60/76,340.88 = 48,648.60/x
  3. Step 3: Cross multiply
    50,835.60x = 76,340.88 × 48,648.60
  4. Step 4: Simplify right side
    50,835.60x = 3,713,876,934.77
  5. Step 5: Solve for x
    x = 3,713,876,934.77/50,835.60
  6. Step 6: Final answer
    x = 73,056.62

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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.