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Finding the Fourth Proportional to 17,278.88, 25,918.44 and 9,483.44

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Solution

The fourth proportional to 17,278.88, 25,918.44 and 9,483.44 is: 14,225.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,278.88 : 25,918.44 = 9,483.44 : x
  2. Step 2: Convert to fraction form
    17,278.88/25,918.44 = 9,483.44/x
  3. Step 3: Cross multiply
    17,278.88x = 25,918.44 × 9,483.44
  4. Step 4: Simplify right side
    17,278.88x = 245,795,970.63
  5. Step 5: Solve for x
    x = 245,795,970.63/17,278.88
  6. Step 6: Final answer
    x = 14,225.23

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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.