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Finding the Fourth Proportional to 17,284.88, 25,929.14 and 7,923.30

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Solution

The fourth proportional to 17,284.88, 25,929.14 and 7,923.30 is: 11,885.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,284.88 : 25,929.14 = 7,923.30 : x
  2. Step 2: Convert to fraction form
    17,284.88/25,929.14 = 7,923.30/x
  3. Step 3: Cross multiply
    17,284.88x = 25,929.14 × 7,923.30
  4. Step 4: Simplify right side
    17,284.88x = 205,444,315.35
  5. Step 5: Solve for x
    x = 205,444,315.35/17,284.88
  6. Step 6: Final answer
    x = 11,885.79

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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.