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Finding the Fourth Proportional to 48,321.71, 72,501.02 and 27,285.51

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Solution

The fourth proportional to 48,321.71, 72,501.02 and 27,285.51 is: 40,938.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,321.71 : 72,501.02 = 27,285.51 : x
  2. Step 2: Convert to fraction form
    48,321.71/72,501.02 = 27,285.51/x
  3. Step 3: Cross multiply
    48,321.71x = 72,501.02 × 27,285.51
  4. Step 4: Simplify right side
    48,321.71x = 1,978,227,289.65
  5. Step 5: Solve for x
    x = 1,978,227,289.65/48,321.71
  6. Step 6: Final answer
    x = 40,938.68

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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.