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Finding the Fourth Proportional to 5,688.56, 7,850.22 and 3,298.99

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Solution

The fourth proportional to 5,688.56, 7,850.22 and 3,298.99 is: 4,552.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.56 : 7,850.22 = 3,298.99 : x
  2. Step 2: Convert to fraction form
    5,688.56/7,850.22 = 3,298.99/x
  3. Step 3: Cross multiply
    5,688.56x = 7,850.22 × 3,298.99
  4. Step 4: Simplify right side
    5,688.56x = 25,897,797.28
  5. Step 5: Solve for x
    x = 25,897,797.28/5,688.56
  6. Step 6: Final answer
    x = 4,552.61

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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.