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Finding the Fourth Proportional to 13,181.06, 18,190.04 and 7,592.06

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Solution

The fourth proportional to 13,181.06, 18,190.04 and 7,592.06 is: 10,477.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,181.06 : 18,190.04 = 7,592.06 : x
  2. Step 2: Convert to fraction form
    13,181.06/18,190.04 = 7,592.06/x
  3. Step 3: Cross multiply
    13,181.06x = 18,190.04 × 7,592.06
  4. Step 4: Simplify right side
    13,181.06x = 138,099,882.60
  5. Step 5: Solve for x
    x = 138,099,882.60/13,181.06
  6. Step 6: Final answer
    x = 10,477.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.