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Finding the Fourth Proportional to 48,728.90, 73,034.48 and 23,731.49

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Solution

The fourth proportional to 48,728.90, 73,034.48 and 23,731.49 is: 35,568.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,728.90 : 73,034.48 = 23,731.49 : x
  2. Step 2: Convert to fraction form
    48,728.90/73,034.48 = 23,731.49/x
  3. Step 3: Cross multiply
    48,728.90x = 73,034.48 × 23,731.49
  4. Step 4: Simplify right side
    48,728.90x = 1,733,216,666.60
  5. Step 5: Solve for x
    x = 1,733,216,666.60/48,728.90
  6. Step 6: Final answer
    x = 35,568.56

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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.