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Finding the Fourth Proportional to 27,699.79, 41,483.46 and 15,977.47

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Solution

The fourth proportional to 27,699.79, 41,483.46 and 15,977.47 is: 23,928.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699.79 : 41,483.46 = 15,977.47 : x
  2. Step 2: Convert to fraction form
    27,699.79/41,483.46 = 15,977.47/x
  3. Step 3: Cross multiply
    27,699.79x = 41,483.46 × 15,977.47
  4. Step 4: Simplify right side
    27,699.79x = 662,800,737.65
  5. Step 5: Solve for x
    x = 662,800,737.65/27,699.79
  6. Step 6: Final answer
    x = 23,928.01

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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.