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Finding the Fourth Proportional to 5,360.94, 7,398.54 and 3,003.30

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Solution

The fourth proportional to 5,360.94, 7,398.54 and 3,003.30 is: 4,144.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.94 : 7,398.54 = 3,003.30 : x
  2. Step 2: Convert to fraction form
    5,360.94/7,398.54 = 3,003.30/x
  3. Step 3: Cross multiply
    5,360.94x = 7,398.54 × 3,003.30
  4. Step 4: Simplify right side
    5,360.94x = 22,220,035.18
  5. Step 5: Solve for x
    x = 22,220,035.18/5,360.94
  6. Step 6: Final answer
    x = 4,144.80

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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.