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Finding the Fourth Proportional to 1,641.58, 2,252.63 and 1,493.08

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Solution

The fourth proportional to 1,641.58, 2,252.63 and 1,493.08 is: 2,048.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641.58 : 2,252.63 = 1,493.08 : x
  2. Step 2: Convert to fraction form
    1,641.58/2,252.63 = 1,493.08/x
  3. Step 3: Cross multiply
    1,641.58x = 2,252.63 × 1,493.08
  4. Step 4: Simplify right side
    1,641.58x = 3,363,356.80
  5. Step 5: Solve for x
    x = 3,363,356.80/1,641.58
  6. Step 6: Final answer
    x = 2,048.85

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.