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Finding the Fourth Proportional to 17,325.94, 25,993.53 and 5,479.93

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Solution

The fourth proportional to 17,325.94, 25,993.53 and 5,479.93 is: 8,221.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,325.94 : 25,993.53 = 5,479.93 : x
  2. Step 2: Convert to fraction form
    17,325.94/25,993.53 = 5,479.93/x
  3. Step 3: Cross multiply
    17,325.94x = 25,993.53 × 5,479.93
  4. Step 4: Simplify right side
    17,325.94x = 142,442,700.68
  5. Step 5: Solve for x
    x = 142,442,700.68/17,325.94
  6. Step 6: Final answer
    x = 8,221.35

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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.