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Finding the Fourth Proportional to 17,631, 24,154.74 and 16,966.80

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Solution

The fourth proportional to 17,631, 24,154.74 and 16,966.80 is: 23,244.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,631 : 24,154.74 = 16,966.80 : x
  2. Step 2: Convert to fraction form
    17,631/24,154.74 = 16,966.80/x
  3. Step 3: Cross multiply
    17,631x = 24,154.74 × 16,966.80
  4. Step 4: Simplify right side
    17,631x = 409,828,642.63
  5. Step 5: Solve for x
    x = 409,828,642.63/17,631
  6. Step 6: Final answer
    x = 23,244.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.