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Finding the Fourth Proportional to 16,919.54, 25,324.11 and 15,302.90

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Solution

The fourth proportional to 16,919.54, 25,324.11 and 15,302.90 is: 22,904.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.54 : 25,324.11 = 15,302.90 : x
  2. Step 2: Convert to fraction form
    16,919.54/25,324.11 = 15,302.90/x
  3. Step 3: Cross multiply
    16,919.54x = 25,324.11 × 15,302.90
  4. Step 4: Simplify right side
    16,919.54x = 387,532,322.92
  5. Step 5: Solve for x
    x = 387,532,322.92/16,919.54
  6. Step 6: Final answer
    x = 22,904.42

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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.