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Finding the Fourth Proportional to 3,290.60, 4,541.03 and 1,798.52

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Solution

The fourth proportional to 3,290.60, 4,541.03 and 1,798.52 is: 2,481.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.60 : 4,541.03 = 1,798.52 : x
  2. Step 2: Convert to fraction form
    3,290.60/4,541.03 = 1,798.52/x
  3. Step 3: Cross multiply
    3,290.60x = 4,541.03 × 1,798.52
  4. Step 4: Simplify right side
    3,290.60x = 8,167,101.58
  5. Step 5: Solve for x
    x = 8,167,101.58/3,290.60
  6. Step 6: Final answer
    x = 2,481.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.