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Finding the Fourth Proportional to 11,664.99, 17,497.49 and 3,873.80

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Solution

The fourth proportional to 11,664.99, 17,497.49 and 3,873.80 is: 5,810.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,664.99 : 17,497.49 = 3,873.80 : x
  2. Step 2: Convert to fraction form
    11,664.99/17,497.49 = 3,873.80/x
  3. Step 3: Cross multiply
    11,664.99x = 17,497.49 × 3,873.80
  4. Step 4: Simplify right side
    11,664.99x = 67,781,801.14
  5. Step 5: Solve for x
    x = 67,781,801.14/11,664.99
  6. Step 6: Final answer
    x = 5,810.70

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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.