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Finding the Fourth Proportional to 5,492.07, 7,579.85 and 4,163.54

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Solution

The fourth proportional to 5,492.07, 7,579.85 and 4,163.54 is: 5,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,492.07 : 7,579.85 = 4,163.54 : x
  2. Step 2: Convert to fraction form
    5,492.07/7,579.85 = 4,163.54/x
  3. Step 3: Cross multiply
    5,492.07x = 7,579.85 × 4,163.54
  4. Step 4: Simplify right side
    5,492.07x = 31,558,949.95
  5. Step 5: Solve for x
    x = 31,558,949.95/5,492.07
  6. Step 6: Final answer
    x = 5,746.28

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1.5x scale

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.