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Finding the Fourth Proportional to 64,259.91, 96,387.46 and 16,874.57

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Solution

The fourth proportional to 64,259.91, 96,387.46 and 16,874.57 is: 25,311.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,259.91 : 96,387.46 = 16,874.57 : x
  2. Step 2: Convert to fraction form
    64,259.91/96,387.46 = 16,874.57/x
  3. Step 3: Cross multiply
    64,259.91x = 96,387.46 × 16,874.57
  4. Step 4: Simplify right side
    64,259.91x = 1,626,496,940.89
  5. Step 5: Solve for x
    x = 1,626,496,940.89/64,259.91
  6. Step 6: Final answer
    x = 25,311.22

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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.