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Finding the Fourth Proportional to 48,369.72, 66,750.15 and 27,149.01

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Solution

The fourth proportional to 48,369.72, 66,750.15 and 27,149.01 is: 37,465.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,369.72 : 66,750.15 = 27,149.01 : x
  2. Step 2: Convert to fraction form
    48,369.72/66,750.15 = 27,149.01/x
  3. Step 3: Cross multiply
    48,369.72x = 66,750.15 × 27,149.01
  4. Step 4: Simplify right side
    48,369.72x = 1,812,200,489.85
  5. Step 5: Solve for x
    x = 1,812,200,489.85/48,369.72
  6. Step 6: Final answer
    x = 37,465.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.