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Finding the Fourth Proportional to 11,892.29, 17,822.93 and 6,627.09

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Solution

The fourth proportional to 11,892.29, 17,822.93 and 6,627.09 is: 9,931.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892.29 : 17,822.93 = 6,627.09 : x
  2. Step 2: Convert to fraction form
    11,892.29/17,822.93 = 6,627.09/x
  3. Step 3: Cross multiply
    11,892.29x = 17,822.93 × 6,627.09
  4. Step 4: Simplify right side
    11,892.29x = 118,114,161.17
  5. Step 5: Solve for x
    x = 118,114,161.17/11,892.29
  6. Step 6: Final answer
    x = 9,931.99

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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.