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Finding the Fourth Proportional to 12,497.52, 18,755.49 and 5,923.68

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Solution

The fourth proportional to 12,497.52, 18,755.49 and 5,923.68 is: 8,889.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497.52 : 18,755.49 = 5,923.68 : x
  2. Step 2: Convert to fraction form
    12,497.52/18,755.49 = 5,923.68/x
  3. Step 3: Cross multiply
    12,497.52x = 18,755.49 × 5,923.68
  4. Step 4: Simplify right side
    12,497.52x = 111,101,521.00
  5. Step 5: Solve for x
    x = 111,101,521.00/12,497.52
  6. Step 6: Final answer
    x = 8,889.89

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1.5x scale

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.