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Finding the Fourth Proportional to 48,880, 73,318.44 and 15,602.09

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Solution

The fourth proportional to 48,880, 73,318.44 and 15,602.09 is: 23,402.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,880 : 73,318.44 = 15,602.09 : x
  2. Step 2: Convert to fraction form
    48,880/73,318.44 = 15,602.09/x
  3. Step 3: Cross multiply
    48,880x = 73,318.44 × 15,602.09
  4. Step 4: Simplify right side
    48,880x = 1,143,920,899.54
  5. Step 5: Solve for x
    x = 1,143,920,899.54/48,880
  6. Step 6: Final answer
    x = 23,402.64

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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.