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Finding the Fourth Proportional to 5,331.88, 7,360 and 4,009.44

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Solution

The fourth proportional to 5,331.88, 7,360 and 4,009.44 is: 5,534.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.88 : 7,360 = 4,009.44 : x
  2. Step 2: Convert to fraction form
    5,331.88/7,360 = 4,009.44/x
  3. Step 3: Cross multiply
    5,331.88x = 7,360 × 4,009.44
  4. Step 4: Simplify right side
    5,331.88x = 29,509,478.40
  5. Step 5: Solve for x
    x = 29,509,478.40/5,331.88
  6. Step 6: Final answer
    x = 5,534.54

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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.