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Finding the Fourth Proportional to 5,608.92, 8,347.17 and 5,422.05

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Solution

The fourth proportional to 5,608.92, 8,347.17 and 5,422.05 is: 8,069.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.92 : 8,347.17 = 5,422.05 : x
  2. Step 2: Convert to fraction form
    5,608.92/8,347.17 = 5,422.05/x
  3. Step 3: Cross multiply
    5,608.92x = 8,347.17 × 5,422.05
  4. Step 4: Simplify right side
    5,608.92x = 45,258,773.10
  5. Step 5: Solve for x
    x = 45,258,773.10/5,608.92
  6. Step 6: Final answer
    x = 8,069.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.