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Finding the Fourth Proportional to 11,812.03, 17,718.04 and 11,090.32

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Solution

The fourth proportional to 11,812.03, 17,718.04 and 11,090.32 is: 16,635.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.03 : 17,718.04 = 11,090.32 : x
  2. Step 2: Convert to fraction form
    11,812.03/17,718.04 = 11,090.32/x
  3. Step 3: Cross multiply
    11,812.03x = 17,718.04 × 11,090.32
  4. Step 4: Simplify right side
    11,812.03x = 196,498,702.94
  5. Step 5: Solve for x
    x = 196,498,702.94/11,812.03
  6. Step 6: Final answer
    x = 16,635.48

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Similar ratio
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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.