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Finding the Fourth Proportional to 3,602.84, 5,405.02 and 2,043.54

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Solution

The fourth proportional to 3,602.84, 5,405.02 and 2,043.54 is: 3,065.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.84 : 5,405.02 = 2,043.54 : x
  2. Step 2: Convert to fraction form
    3,602.84/5,405.02 = 2,043.54/x
  3. Step 3: Cross multiply
    3,602.84x = 5,405.02 × 2,043.54
  4. Step 4: Simplify right side
    3,602.84x = 11,045,374.57
  5. Step 5: Solve for x
    x = 11,045,374.57/3,602.84
  6. Step 6: Final answer
    x = 3,065.74

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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.