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Finding the Fourth Proportional to 9,492.79, 14,241.17 and 2,829.28

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Solution

The fourth proportional to 9,492.79, 14,241.17 and 2,829.28 is: 4,244.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,492.79 : 14,241.17 = 2,829.28 : x
  2. Step 2: Convert to fraction form
    9,492.79/14,241.17 = 2,829.28/x
  3. Step 3: Cross multiply
    9,492.79x = 14,241.17 × 2,829.28
  4. Step 4: Simplify right side
    9,492.79x = 40,292,257.46
  5. Step 5: Solve for x
    x = 40,292,257.46/9,492.79
  6. Step 6: Final answer
    x = 4,244.51

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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.