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Finding the Fourth Proportional to 17,041.20, 25,513.20 and 16,555.20

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Solution

The fourth proportional to 17,041.20, 25,513.20 and 16,555.20 is: 24,785.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,041.20 : 25,513.20 = 16,555.20 : x
  2. Step 2: Convert to fraction form
    17,041.20/25,513.20 = 16,555.20/x
  3. Step 3: Cross multiply
    17,041.20x = 25,513.20 × 16,555.20
  4. Step 4: Simplify right side
    17,041.20x = 422,376,128.64
  5. Step 5: Solve for x
    x = 422,376,128.64/17,041.20
  6. Step 6: Final answer
    x = 24,785.59

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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.