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Finding the Fourth Proportional to 11,968.99, 17,952.12 and 4,573.28

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Solution

The fourth proportional to 11,968.99, 17,952.12 and 4,573.28 is: 6,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.99 : 17,952.12 = 4,573.28 : x
  2. Step 2: Convert to fraction form
    11,968.99/17,952.12 = 4,573.28/x
  3. Step 3: Cross multiply
    11,968.99x = 17,952.12 × 4,573.28
  4. Step 4: Simplify right side
    11,968.99x = 82,100,116.23
  5. Step 5: Solve for x
    x = 82,100,116.23/11,968.99
  6. Step 6: Final answer
    x = 6,859.40

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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.