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Finding the Fourth Proportional to 48,610.88, 72,948 and 36,739.52

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Solution

The fourth proportional to 48,610.88, 72,948 and 36,739.52 is: 55,133.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,610.88 : 72,948 = 36,739.52 : x
  2. Step 2: Convert to fraction form
    48,610.88/72,948 = 36,739.52/x
  3. Step 3: Cross multiply
    48,610.88x = 72,948 × 36,739.52
  4. Step 4: Simplify right side
    48,610.88x = 2,680,074,504.96
  5. Step 5: Solve for x
    x = 2,680,074,504.96/48,610.88
  6. Step 6: Final answer
    x = 55,133.22

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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.