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Finding the Fourth Proportional to 3,653.52, 5,478.50 and 1,804.02

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Solution

The fourth proportional to 3,653.52, 5,478.50 and 1,804.02 is: 2,705.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.52 : 5,478.50 = 1,804.02 : x
  2. Step 2: Convert to fraction form
    3,653.52/5,478.50 = 1,804.02/x
  3. Step 3: Cross multiply
    3,653.52x = 5,478.50 × 1,804.02
  4. Step 4: Simplify right side
    3,653.52x = 9,883,323.57
  5. Step 5: Solve for x
    x = 9,883,323.57/3,653.52
  6. Step 6: Final answer
    x = 2,705.15

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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.