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Finding the Fourth Proportional to 48,381.29, 72,599.57 and 18,795.27

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Solution

The fourth proportional to 48,381.29, 72,599.57 and 18,795.27 is: 28,203.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,381.29 : 72,599.57 = 18,795.27 : x
  2. Step 2: Convert to fraction form
    48,381.29/72,599.57 = 18,795.27/x
  3. Step 3: Cross multiply
    48,381.29x = 72,599.57 × 18,795.27
  4. Step 4: Simplify right side
    48,381.29x = 1,364,528,520.03
  5. Step 5: Solve for x
    x = 1,364,528,520.03/48,381.29
  6. Step 6: Final answer
    x = 28,203.64

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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.