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Finding the Fourth Proportional to 48,062.46, 72,122.94 and 18,482.88

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Solution

The fourth proportional to 48,062.46, 72,122.94 and 18,482.88 is: 27,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,062.46 : 72,122.94 = 18,482.88 : x
  2. Step 2: Convert to fraction form
    48,062.46/72,122.94 = 18,482.88/x
  3. Step 3: Cross multiply
    48,062.46x = 72,122.94 × 18,482.88
  4. Step 4: Simplify right side
    48,062.46x = 1,333,039,645.27
  5. Step 5: Solve for x
    x = 1,333,039,645.27/48,062.46
  6. Step 6: Final answer
    x = 27,735.57

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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.