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Finding the Fourth Proportional to 14,492.16, 21,757.68 and 8,579.97

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Solution

The fourth proportional to 14,492.16, 21,757.68 and 8,579.97 is: 12,881.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,492.16 : 21,757.68 = 8,579.97 : x
  2. Step 2: Convert to fraction form
    14,492.16/21,757.68 = 8,579.97/x
  3. Step 3: Cross multiply
    14,492.16x = 21,757.68 × 8,579.97
  4. Step 4: Simplify right side
    14,492.16x = 186,680,241.67
  5. Step 5: Solve for x
    x = 186,680,241.67/14,492.16
  6. Step 6: Final answer
    x = 12,881.46

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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.