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Finding the Fourth Proportional to 3,664.80, 5,498.04 and 1,473.60

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Solution

The fourth proportional to 3,664.80, 5,498.04 and 1,473.60 is: 2,210.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.80 : 5,498.04 = 1,473.60 : x
  2. Step 2: Convert to fraction form
    3,664.80/5,498.04 = 1,473.60/x
  3. Step 3: Cross multiply
    3,664.80x = 5,498.04 × 1,473.60
  4. Step 4: Simplify right side
    3,664.80x = 8,101,911.74
  5. Step 5: Solve for x
    x = 8,101,911.74/3,664.80
  6. Step 6: Final answer
    x = 2,210.74

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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.