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Finding the Fourth Proportional to 17,329.92, 25,985.28 and 8,090.88

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Solution

The fourth proportional to 17,329.92, 25,985.28 and 8,090.88 is: 12,131.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,329.92 : 25,985.28 = 8,090.88 : x
  2. Step 2: Convert to fraction form
    17,329.92/25,985.28 = 8,090.88/x
  3. Step 3: Cross multiply
    17,329.92x = 25,985.28 × 8,090.88
  4. Step 4: Simplify right side
    17,329.92x = 210,243,782.25
  5. Step 5: Solve for x
    x = 210,243,782.25/17,329.92
  6. Step 6: Final answer
    x = 12,131.84

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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.