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Finding the Fourth Proportional to 11,492.40, 17,241.60 and 3,701.40

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Solution

The fourth proportional to 11,492.40, 17,241.60 and 3,701.40 is: 5,553.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,492.40 : 17,241.60 = 3,701.40 : x
  2. Step 2: Convert to fraction form
    11,492.40/17,241.60 = 3,701.40/x
  3. Step 3: Cross multiply
    11,492.40x = 17,241.60 × 3,701.40
  4. Step 4: Simplify right side
    11,492.40x = 63,818,058.24
  5. Step 5: Solve for x
    x = 63,818,058.24/11,492.40
  6. Step 6: Final answer
    x = 5,553.07

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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.