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Finding the Fourth Proportional to 5,541.68, 7,648.26 and 5,359.34

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Solution

The fourth proportional to 5,541.68, 7,648.26 and 5,359.34 is: 7,396.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.68 : 7,648.26 = 5,359.34 : x
  2. Step 2: Convert to fraction form
    5,541.68/7,648.26 = 5,359.34/x
  3. Step 3: Cross multiply
    5,541.68x = 7,648.26 × 5,359.34
  4. Step 4: Simplify right side
    5,541.68x = 40,989,625.75
  5. Step 5: Solve for x
    x = 40,989,625.75/5,541.68
  6. Step 6: Final answer
    x = 7,396.61

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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.