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Finding the Fourth Proportional to 11,492.70, 17,240.67 and 3,700.50

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Solution

The fourth proportional to 11,492.70, 17,240.67 and 3,700.50 is: 5,551.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,492.70 : 17,240.67 = 3,700.50 : x
  2. Step 2: Convert to fraction form
    11,492.70/17,240.67 = 3,700.50/x
  3. Step 3: Cross multiply
    11,492.70x = 17,240.67 × 3,700.50
  4. Step 4: Simplify right side
    11,492.70x = 63,799,099.34
  5. Step 5: Solve for x
    x = 63,799,099.34/11,492.70
  6. Step 6: Final answer
    x = 5,551.27

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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.