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Finding the Fourth Proportional to 48,626.58, 72,968.58 and 20,544.82

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Solution

The fourth proportional to 48,626.58, 72,968.58 and 20,544.82 is: 30,829.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,626.58 : 72,968.58 = 20,544.82 : x
  2. Step 2: Convert to fraction form
    48,626.58/72,968.58 = 20,544.82/x
  3. Step 3: Cross multiply
    48,626.58x = 72,968.58 × 20,544.82
  4. Step 4: Simplify right side
    48,626.58x = 1,499,126,569.78
  5. Step 5: Solve for x
    x = 1,499,126,569.78/48,626.58
  6. Step 6: Final answer
    x = 30,829.37

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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.