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Finding the Fourth Proportional to 3,654.58, 5,482.12 and 1,574.08

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Solution

The fourth proportional to 3,654.58, 5,482.12 and 1,574.08 is: 2,361.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.58 : 5,482.12 = 1,574.08 : x
  2. Step 2: Convert to fraction form
    3,654.58/5,482.12 = 1,574.08/x
  3. Step 3: Cross multiply
    3,654.58x = 5,482.12 × 1,574.08
  4. Step 4: Simplify right side
    3,654.58x = 8,629,295.45
  5. Step 5: Solve for x
    x = 8,629,295.45/3,654.58
  6. Step 6: Final answer
    x = 2,361.23

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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.