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Finding the Fourth Proportional to 11,992.30, 17,973.52 and 7,611.01

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Solution

The fourth proportional to 11,992.30, 17,973.52 and 7,611.01 is: 11,407.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.30 : 17,973.52 = 7,611.01 : x
  2. Step 2: Convert to fraction form
    11,992.30/17,973.52 = 7,611.01/x
  3. Step 3: Cross multiply
    11,992.30x = 17,973.52 × 7,611.01
  4. Step 4: Simplify right side
    11,992.30x = 136,796,640.46
  5. Step 5: Solve for x
    x = 136,796,640.46/11,992.30
  6. Step 6: Final answer
    x = 11,407.04

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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.