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Finding the Fourth Proportional to 48,258.44, 72,369.87 and 16,660.43

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Solution

The fourth proportional to 48,258.44, 72,369.87 and 16,660.43 is: 24,984.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,258.44 : 72,369.87 = 16,660.43 : x
  2. Step 2: Convert to fraction form
    48,258.44/72,369.87 = 16,660.43/x
  3. Step 3: Cross multiply
    48,258.44x = 72,369.87 × 16,660.43
  4. Step 4: Simplify right side
    48,258.44x = 1,205,713,153.24
  5. Step 5: Solve for x
    x = 1,205,713,153.24/48,258.44
  6. Step 6: Final answer
    x = 24,984.50

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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.