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Finding the Fourth Proportional to 17,119.60, 25,717.80 and 16,466.80

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Solution

The fourth proportional to 17,119.60, 25,717.80 and 16,466.80 is: 24,737.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,119.60 : 25,717.80 = 16,466.80 : x
  2. Step 2: Convert to fraction form
    17,119.60/25,717.80 = 16,466.80/x
  3. Step 3: Cross multiply
    17,119.60x = 25,717.80 × 16,466.80
  4. Step 4: Simplify right side
    17,119.60x = 423,489,869.04
  5. Step 5: Solve for x
    x = 423,489,869.04/17,119.60
  6. Step 6: Final answer
    x = 24,737.14

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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.