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Finding the Fourth Proportional to 49,951.42, 68,925.99 and 48,607.42

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Solution

The fourth proportional to 49,951.42, 68,925.99 and 48,607.42 is: 67,071.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,951.42 : 68,925.99 = 48,607.42 : x
  2. Step 2: Convert to fraction form
    49,951.42/68,925.99 = 48,607.42/x
  3. Step 3: Cross multiply
    49,951.42x = 68,925.99 × 48,607.42
  4. Step 4: Simplify right side
    49,951.42x = 3,350,314,544.85
  5. Step 5: Solve for x
    x = 3,350,314,544.85/49,951.42
  6. Step 6: Final answer
    x = 67,071.46

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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.