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Finding the Fourth Proportional to 17,222.63, 25,809.87 and 9,308.08

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Solution

The fourth proportional to 17,222.63, 25,809.87 and 9,308.08 is: 13,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,222.63 : 25,809.87 = 9,308.08 : x
  2. Step 2: Convert to fraction form
    17,222.63/25,809.87 = 9,308.08/x
  3. Step 3: Cross multiply
    17,222.63x = 25,809.87 × 9,308.08
  4. Step 4: Simplify right side
    17,222.63x = 240,240,270.22
  5. Step 5: Solve for x
    x = 240,240,270.22/17,222.63
  6. Step 6: Final answer
    x = 13,949.11

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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.