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Finding the Fourth Proportional to 48,630.33, 72,939.02 and 13,573.53

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Solution

The fourth proportional to 48,630.33, 72,939.02 and 13,573.53 is: 20,358.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,630.33 : 72,939.02 = 13,573.53 : x
  2. Step 2: Convert to fraction form
    48,630.33/72,939.02 = 13,573.53/x
  3. Step 3: Cross multiply
    48,630.33x = 72,939.02 × 13,573.53
  4. Step 4: Simplify right side
    48,630.33x = 990,039,908.27
  5. Step 5: Solve for x
    x = 990,039,908.27/48,630.33
  6. Step 6: Final answer
    x = 20,358.49

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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.