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Finding the Fourth Proportional to 17,256.86, 25,885.86 and 4,775.84

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Solution

The fourth proportional to 17,256.86, 25,885.86 and 4,775.84 is: 7,163.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,256.86 : 25,885.86 = 4,775.84 : x
  2. Step 2: Convert to fraction form
    17,256.86/25,885.86 = 4,775.84/x
  3. Step 3: Cross multiply
    17,256.86x = 25,885.86 × 4,775.84
  4. Step 4: Simplify right side
    17,256.86x = 123,626,596.19
  5. Step 5: Solve for x
    x = 123,626,596.19/17,256.86
  6. Step 6: Final answer
    x = 7,163.91

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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.