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Finding the Fourth Proportional to 17,079.81, 25,751.15 and 16,773.63

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Solution

The fourth proportional to 17,079.81, 25,751.15 and 16,773.63 is: 25,289.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,079.81 : 25,751.15 = 16,773.63 : x
  2. Step 2: Convert to fraction form
    17,079.81/25,751.15 = 16,773.63/x
  3. Step 3: Cross multiply
    17,079.81x = 25,751.15 × 16,773.63
  4. Step 4: Simplify right side
    17,079.81x = 431,940,178.31
  5. Step 5: Solve for x
    x = 431,940,178.31/17,079.81
  6. Step 6: Final answer
    x = 25,289.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.