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Finding the Fourth Proportional to 5,460.10, 8,230.38 and 5,328.90

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Solution

The fourth proportional to 5,460.10, 8,230.38 and 5,328.90 is: 8,032.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.10 : 8,230.38 = 5,328.90 : x
  2. Step 2: Convert to fraction form
    5,460.10/8,230.38 = 5,328.90/x
  3. Step 3: Cross multiply
    5,460.10x = 8,230.38 × 5,328.90
  4. Step 4: Simplify right side
    5,460.10x = 43,858,845.34
  5. Step 5: Solve for x
    x = 43,858,845.34/5,460.10
  6. Step 6: Final answer
    x = 8,032.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.