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Finding the Fourth Proportional to 3,360.52, 5,040.36 and 1,803.64

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Solution

The fourth proportional to 3,360.52, 5,040.36 and 1,803.64 is: 2,705.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.52 : 5,040.36 = 1,803.64 : x
  2. Step 2: Convert to fraction form
    3,360.52/5,040.36 = 1,803.64/x
  3. Step 3: Cross multiply
    3,360.52x = 5,040.36 × 1,803.64
  4. Step 4: Simplify right side
    3,360.52x = 9,090,994.91
  5. Step 5: Solve for x
    x = 9,090,994.91/3,360.52
  6. Step 6: Final answer
    x = 2,705.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.