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Finding the Fourth Proportional to 49,953.60, 68,795.64 and 48,864.96

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Solution

The fourth proportional to 49,953.60, 68,795.64 and 48,864.96 is: 67,296.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,953.60 : 68,795.64 = 48,864.96 : x
  2. Step 2: Convert to fraction form
    49,953.60/68,795.64 = 48,864.96/x
  3. Step 3: Cross multiply
    49,953.60x = 68,795.64 × 48,864.96
  4. Step 4: Simplify right side
    49,953.60x = 3,361,696,196.77
  5. Step 5: Solve for x
    x = 3,361,696,196.77/49,953.60
  6. Step 6: Final answer
    x = 67,296.37

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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.