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Finding the Fourth Proportional to 22,492.74, 33,719.06 and 11,393.72

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Solution

The fourth proportional to 22,492.74, 33,719.06 and 11,393.72 is: 17,080.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,492.74 : 33,719.06 = 11,393.72 : x
  2. Step 2: Convert to fraction form
    22,492.74/33,719.06 = 11,393.72/x
  3. Step 3: Cross multiply
    22,492.74x = 33,719.06 × 11,393.72
  4. Step 4: Simplify right side
    22,492.74x = 384,185,530.66
  5. Step 5: Solve for x
    x = 384,185,530.66/22,492.74
  6. Step 6: Final answer
    x = 17,080.42

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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.