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Finding the Fourth Proportional to 11,661.66, 17,492.48 and 4,262.09

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Solution

The fourth proportional to 11,661.66, 17,492.48 and 4,262.09 is: 6,393.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.66 : 17,492.48 = 4,262.09 : x
  2. Step 2: Convert to fraction form
    11,661.66/17,492.48 = 4,262.09/x
  3. Step 3: Cross multiply
    11,661.66x = 17,492.48 × 4,262.09
  4. Step 4: Simplify right side
    11,661.66x = 74,554,447.28
  5. Step 5: Solve for x
    x = 74,554,447.28/11,661.66
  6. Step 6: Final answer
    x = 6,393.12

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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.