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Finding the Fourth Proportional to 5,492.99, 7,579.50 and 3,134.81

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Solution

The fourth proportional to 5,492.99, 7,579.50 and 3,134.81 is: 4,325.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,492.99 : 7,579.50 = 3,134.81 : x
  2. Step 2: Convert to fraction form
    5,492.99/7,579.50 = 3,134.81/x
  3. Step 3: Cross multiply
    5,492.99x = 7,579.50 × 3,134.81
  4. Step 4: Simplify right side
    5,492.99x = 23,760,292.40
  5. Step 5: Solve for x
    x = 23,760,292.40/5,492.99
  6. Step 6: Final answer
    x = 4,325.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.